|
Shape memory effect and shape memory
technology |
|
|
PMMA for active disassembly |
http://www.youtube.com/user/activedisassembly1#p/u or http://u.youku.com/user_video/id_UMzYzODc5NDg0.html |
|
Shape memory polymers for active disassembly |
http://www.youtube.com/user/SMM20110812#p/u |
|
Shape memory alloys |
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Shape memory polymers |
|
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Shape memory hybrids |
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Shape memory material morphing wings |
|
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Medical applications of shape memory materials |
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One-way/two-way shape memory effect |
|
|
Multiple-shape memory effect in shape memory
materials |
|
|
Shape memory effect in materials |
|
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Miscellaneous |
|
|
Insects |
|
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Retractable/deployable
structures |
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Hydrogels |
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Morphing |
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Devices for touch
screen |
|
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Buttons-on-demand |
|
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Interesting
technologies |
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3D/4D printing |
|
|
Instruction |
|
|
Fun |
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Active disassembly and
programmed active disassembly |
|
|
|
Material: PMMA |
Purnawali H, Xu WW, Zhao Y, Ding D, Wang CC, Huang
WM and Fan H, Poly(methyl methacrylate) (PMMA) for active disassembly, Smart Materials and Structures, Vol.
21, 2012, 075006 |
Reference |
|
Active PMMA joint PMMA自拆卸接头 |
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Active PMMA screw PMMA
自拆卸螺丝 |
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Active PMMA snap-fit 自拆卸用 PMMA 卡扣 |
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Active PMMA tab 1 自拆卸用 PMMA 卡扣 |
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Active PMMA tab 2 自拆卸用 PMMA 卡扣 |
|
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Programmed AD – PMMA box 自拆卸
PMMA 盒子 |
|
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|
Material: ABS/PC |
Case material of Nokia’s mobile phone |
(2011-2012
FYP) |
|
Programmed active
disassembly _A |
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Programmed active
disassembly _B |
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Programmed active
disassembly _C |
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Shape memory polymers for active disassembly |
|
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|
SMP for active disassembly A |
http://www.youtube.com/watch?v=7Z_5Qd_kZzs Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMP for active disassembly B |
http://www.youtube.com/watch?v=ujtlSnyQCxU Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMP for active disassembly C |
http://www.youtube.com/watch?v=ZIcEUl2Xzn0 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMP for active disassembly D |
http://www.youtube.com/watch?v=qKBZuSzddfU Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMP for active disassembly E |
http://www.youtube.com/watch?v=OAsMjl_0llY Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMP for active disassembly F |
http://www.youtube.com/watch?v=iXthG2pD7-w Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMP for active disassembly G |
http://www.youtube.com/watch?v=yUemywV8Xt4 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMP for active disassembly H1 [strength test, with
pre-compression] |
http://www.youtube.com/watch?v=K75SAqH_aB8 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMP for active disassembly H2 [strength test, without
pre-compression] |
http://www.youtube.com/watch?v=2yLwq-W2Mk8 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
How to DIY shape memory
polymer screw? |
|
|
|
|
|
|
|
Active disassembly based on
the shape memory effect in polymeric materials (Demo) - (Programmed) active disassembly of components - Active disassembly of materials |
|
|
|
Active disassembly of
polymeric components -
To
disassemble components/elements into particles for reusing. -
A 2014/15
FYP |
|
|
|
Active dis-assembly of a component into small elements: proof of
concept -
Material: ABS filament used
in 3D printing |
|
|
|
Active disassembly of PCL component into small pieces -
Proof of concept: active
dis-assembly for recycling |
|
|
|
Active dis-assembly of twisted PU filament -
A potential way for
recycling? |
|
|
|
|
|
|
|
Reference(s): Huang,
W.M., Yang, B. and Fu, Y.Q., Polyurethane shape memory polymers, Taylor & Francis/CRC Press, 2011 Huang et al Thermo-moisture responsive polyurethane shape-memory
polymer and composites: a review, Journal
of Materials Chemistry, Vol. 20, 2010,
pp3367-3381 Purnawali
H et al, Poly(methyl
methacrylate) (PMMA) for active disassembly, Smart Materials and Structures, Vol.
21, 2012, 075006 Sun L, et al, Shape memory technology for active
assembly/disassembly: fundamentals, techniques and example applications, Assembly Automation, Vol. 34, No.1, 2014, 78-93 |
||
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||
Shape
memory alloys |
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|
SMA inchworm A |
http://www.youtube.com/watch?v=qmztarUHjOY Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Biased and two-way shape memory alloy actuators -
One shape memory alloy
spring vs. one normal spring; two shape memory alloy springs |
|
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Testing of nitinol spring(s) using a hot blower |
|
|
|
Testing of 9 V battery activated nitinol SMA spring(s) -
Including
infrared video |
|
|
|
Testing of triple springs in series -
1 SMA + 1
normal + 1 SMA, 12 V battery |
|
|
|
Motion study of joule heated springs (SMA1, elastic, SMA2) -
SMA1 and
SMA2 are nitinol springs with different transition temperatures. |
|
|
|
SMA inchworm B |
http://www.youtube.com/watch?v=1-oJxYzzeCc Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA 4-bar linkage |
http://www.youtube.com/watch?v=6fzfdIp_IV0 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA micro boat |
http://www.youtube.com/watch?v=hNTn0IMYu3Q Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA rolling car (1st version) |
Reference(s): Sun et al, Stimulus-responsive shape memory materials: a review,
Materials and Design, 33, 2012, 577-640 |
|
|
SMA rolling car A |
http://www.youtube.com/watch?v=X65mrEjH6Ig Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA rolling car B |
http://www.youtube.com/watch?v=bV0AGy0PSew Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA rolling car C |
|
|
|
SMA activated rolling ball (2011/2012 Final year project) |
|
|
|
SMA linear actuator |
http://www.youtube.com/watch?v=nzjDNR6WT50 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA driven platform with multi-degree-of-freedom |
http://www.youtube.com/watch?v=CGdAzD-EICo Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA gripper (atop a SMA driven platform with
multi-degree-of-freedom |
http://www.youtube.com/watch?v=7bGzy6RhQ5s Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA gripper (atop a SMA driven platform with
multi-degree-of-freedom (assembly) |
http://www.youtube.com/watch?v=WS860WVz7ik Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA heat engine (using hot water and 4 NiTi springs) |
|
|
|
SMA heat engine (using hot water) |
http://www.youtube.com/watch?v=jCK9643gFBk Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA heat engine (using sunlight) |
http://www.youtube.com/watch?v=I8878rX9zcw Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA heat engine (using sunlight) [+animation] |
http://www.youtube.com/watch?v=zQlyp9Ua7oY Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA for crack closure and shape restoration A |
http://www.youtube.com/watch?v=sZ1yiQrKjZo Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
SMA for crack closure and shape restoration B (temperature distribution in
SMA wire) |
http://www.youtube.com/watch?v=CfERGFviKvM Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
Joule heating NiTi SMA wire |
|
|
|
Playing with superelastic Nitinol |
|
|
|
Shape fixing and increasing transition temperature of
superelastic Nitinol -
Fix a new
permanent shape; -
Increase
transition temperature for the shape memory effect |
|
|
|
Training superelastic
Nitinol to have two-way SME -
Applicable to SME Nitinol as
well. |
|
|
|
Super-elasticity and shape
memory effect in NiTi SMA wire |
|
|
|
SMA mimosa |
http://www.youtube.com/watch?v=c4ohr76LvOw Reference: Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Bi-Stable Buckling Strip -
Joule
heating SMA wires for actuation |
|
|
|
Buckling of shape memory alloy wire in constrained recovery upon
thermal cycling |
|
|
|
SMA wire |
|
|
|
Nitinol activated devices -
Some old stuffs |
|
|
|
SMA star shaped ring |
|
|
|
Closure of a hole in silicone upon joule heating embedded SMA
spring |
Reference: Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Heating Nitinol spring with straw inside |
|
|
|
Phase transformation front in NiTi plate -Upon loading and unloading at 10^(-3)/s |
|
|
|
Phase transformation front movement in 1 mm diameter NiTi SMA
wire A -
upon
stretching (strain rate: 10-3/s) |
References: Huang, W.M.,
Transformation front in shape memory alloys, Materials
Science and Engineering: A, Vol. 392,
No. 1-2, 2005, pp121-129 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
Phase transformation front movement in 1 mm diameter NiTi SMA
wire B -
upon
stretching (strain rate: 10-4/s) |
References: Huang, W.M.,
Transformation front in shape memory alloys, Materials
Science and Engineering: A, Vol. 392,
No. 1-2, 2005, pp121-129 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
Impact induced phase transformation front movement in SMA (1 Kg) -
1 mm
diameter NiTi wire |
Reference: Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
Impact induced phase transformation front movement in SMA (1.5
Kg) -
1 mm
diameter NiTi wire |
http://www.youtube.com/watch?v=XX15aAa54ME&feature=youtu.be Reference: Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
Impact induced phase transformation front movement in SMA (2 Kg) -
1 mm
diameter NiTi wire |
Reference: Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
Evolution of surface morphology in NiTi thin film upon thermal
cycling |
Reference: Wu, M.J., Huang, W.M., Fu, Y.Q.,
Chollet, F., Hu, Y.Y., Cai, M.D., Reversible surface morphology in
shape-memory alloy thin films, Journal
of Applied Physics, Vol. 105, 2009, 033517 |
|
|
Reversible wrinkling atop NiTi thin film upon thermal cycling |
Reference: Wu, M.J., Huang, W.M., Fu, Y.Q.,
Chollet, F., Hu, Y.Y., Cai, M.D., Reversible surface morphology in
shape-memory alloy thin films, Journal
of Applied Physics, Vol. 105, 2009, 033517 |
|
|
Simulation of laser annealing NiTi thin film |
References: Miyazaki, S., Fu, Y.Q. and Huang,
W.M. (Ed.), Thin film shape
memory alloys–fundamentals and device applications,
Cambridge University Press, 2009 He, Q., Huang, W.M., Gao, X.Y.
and Hong, M.H., Numerical investigation of CO2
laser heating for annealing Ni/Ti multilayer thin films, Smart Materials and Structures,
Vol. 14, 2005, pp1320-1324 He, Q., Hong, M.H., Huang, W.M., Chong, T.C., Fu, Y.Q. and Du,
H.J., CO2 laser annealing of sputtering deposited
NiTi shape memory thin films, Journal of Micromechanics and Microengineering, Vol. 14, 2004,
pp950-956 |
|
|
Laser annealing NiTi
thin film (a line) upon heating |
References: Miyazaki, S., Fu, Y.Q. and Huang,
W.M. (Ed.), Thin film shape
memory alloys–fundamentals and device applications,
Cambridge University Press, 2009 He, Q., Hong, M.H., Huang, W.M., Chong, T.C., Fu, Y.Q. and Du,
H.J., CO2 laser annealing of sputtering deposited
NiTi shape memory thin films, Journal of Micromechanics and Microengineering, Vol. 14, 2004,
pp950-956 |
|
|
Thin film NiTi/silicon beam (two positions) -gradually joule heating/cooling |
Reference: Huang,
W.M., Liu, Q.Y., He, L.M. and Yeo, J.H., Micro NiTi-Si cantilever with three
stable positions, Sensors and
Actuators A, Vol. 114, No. 1, 2004, pp118-122 |
|
|
Thin film NiTi/silicon beam (two positions) [side view] - joule heating/cooling [3.2 mm long] (low current) |
Reference: Huang,
W.M., Liu, Q.Y., He, L.M. and Yeo, J.H., Micro NiTi-Si cantilever with three
stable positions, Sensors and
Actuators A, Vol. 114, No. 1, 2004, pp118-122 |
|
|
Thin film NiTi/silicon beam (three
positions) -rapid joule heating
(high current) |
Reference: Huang,
W.M., Liu, Q.Y., He, L.M. and Yeo, J.H., Micro NiTi-Si cantilever with three
stable positions, Sensors and
Actuators A, Vol. 114, No. 1, 2004, pp118-122 |
|
|
600 micron thin film NiTi_silicon beam |
Reference: Huang, W.M.,
Liu, Q.Y., He, L.M. and Yeo, J.H., Micro NiTi-Si cantilever with three stable
positions, Sensors and Actuators A, Vol. 114, No. 1, 2004, pp118-122 |
|
|
1600 micron thin film NiTi_silicon beam |
|
|
|
FEM simulation of NiTi_silicon beam |
|
|
|
Thin film NiTi/silicon gripper -
1.6 mm
long, 20 micron thick beam |
References: Huang,
W.M., Liu, Q.Y., He, L.M. and Yeo, J.H., Micro NiTi-Si cantilever with three
stable positions, Sensors and
Actuators A, Vol. 114, No. 1, 2004, pp118-122 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
Joule heating Thin film NiTi/silicon beam A -
1.6 mm long, 5 micron NiTi atop 15 micron
silicon beam (laser cutting to form circuit) |
References: Huang,
W.M., Liu, Q.Y., He, L.M. and Yeo, J.H., Micro NiTi-Si cantilever with three
stable positions, Sensors and
Actuators A, Vol. 114, No. 1, 2004, pp118-122 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
Joule heating
Thin
film NiTi/silicon beam B -
5
micron NiTi atop 15 micron silicon beam (laser cutting
to form circuit) [smallest 0.6 mm long] |
References: Huang,
W.M., Liu, Q.Y., He, L.M. and Yeo, J.H., Micro NiTi-Si cantilever with three
stable positions, Sensors and
Actuators A, Vol. 114, No. 1, 2004, pp118-122 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|
An introduction to various
shape memory phenomena in shape memory alloys (SMAs) |
|
|
|
An introduction to shape
memory alloy rotatry devices |
|
|
|
Buttons-on-demand |
|
|
|
Buttons on demand (20231011) |
|
|
|
Buttons-on-demand (concept) |
|
|
|
Control activation of shape memory spring via mobile phone |
|
|
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|
|
|
Shape
memory polymers |
|
|
|
Shape memory effect in PU SMP A |
|
|
|
Shape memory effect in polyurethane card |
|
|
|
Shape memory name card -
Using
normal material |
http://youtu.be/Q6X81YQrZ4s |
|
|
Shape memory effect in PU SMP B |
|
|
|
SME in thermo-responsive SMP A |
http://www.youtube.com/watch?v=OB_dpL7RR-I Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 Huang
et al Thermo-moisture responsive polyurethane shape-memory polymer and
composites: a review, Journal
of Materials Chemistry, Vol. 20, 2010,
pp3367-3381 |
|
|
Shape recovery in PU SMP 001 |
|
|
|
Shape memory flower (real flower with polymer coating) |
|
|
|
Shape recovery in PU SMP 002 |
|
|
|
Shape recovery in PU SMP 003 |
|
|
|
Shape recovery in PU SMP 004 |
|
|
|
Shape recovery in PU SMP 005 |
|
|
|
Shape recovery in PU SMP 006 |
|
|
|
Shape recovery in PU SMP 007 |
|
|
|
Shape recovery in PU SMP 008 |
|
|
|
Testing body/room temperature-responsive shape memory
polyurethane |
|
|
|
Hand-temperature activated shape recovery -
Material:
polyurethane |
|
|
|
Shape memory effect in PCL |
|
|
|
The shape memory effect in PCL A |
|
|
|
Pre-stretched PCL thin wire in hot water -
Electrospinning produced PCL wire |
|
|
|
Shape recovery of cross linked
PCL -
In hot water |
|
|
|
Dancing of cross linked
PCL -
Chemo-responsive SME in PCL |
|
|
|
Chemo/heat-responsive SME in cross-linked PCL |
|
|
|
Transparent/elastic body temperature re-shapeable polymer(polycaprolactone, PCL) |
|
|
|
Modified Formlabs' elastic resin for high
mechanical performance |
|
|
|
UV resin for body temperature programming |
|
|
|
Hybrid resin w/wo UV cross linking |
|
|
|
UV cross-linkable, body-temperature programmable shape memory resin for 3D printing |
|
|
|
Body temperature programmable shape memory
polymer: UV 3D printable version |
|
|
|
Finger splint using UV cross linked
body-temperature programmable shape memory hybrid |
|
|
|
VAM of body temperature programmable shape memory
hybrid: proof-of-concept |
https://www.youtube.com/watch?v=zdF3-ew5oFQ |
|
|
Hot programming of 3 polymers |
|
|
|
SME in moisture-responsive SMP A |
http://www.youtube.com/watch?v=L86ybNjWwZQ Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 Huang
et al Thermo-moisture responsive polyurethane shape-memory polymer and
composites: a review, Journal
of Materials Chemistry, Vol. 20, 2010,
pp3367-3381 Huang et al,
Water-driven programmable polyurethane shape memory polymer: demonstration
and mechanism, Applied Physics
Letters, Vol.86, 2005,
pp114105 |
|
|
Water droplet atop PU (rapid swelling) |
|
|
|
Wetting and drying of swelling PU composite |
|
|
|
Bending via wetting |
|
|
|
Heating responsive SME in PU wire -
With/without
constraint |
|
|
|
Pre-stretched PU in tube with ethanol |
|
|
|
Reset the permanent shape of
a shape memory polyurethane -
A revisit. -
Preliminary investigation. -
Material: TPU. |
|
|
|
Set the permanent shape of a TPU by hands (Recorded in Dec. 2014) |
|
|
|
The SME in redox glue (in hot water) |
|
|
|
Heating responsive SME in redox glue |
|
|
|
Heating responsive SME in redox glue( coin
version) |
|
|
|
Water-responsive SME in cellulose |
|
|
|
Water activated rapid shape recovery in cellulose |
|
|
|
Comparison of water absorption speed in cellulose foam w/wt PVA
glue treatment |
|
|
|
Comparison of water-responsive shape recovery in cellulose w/wo
PVA glue treatment |
|
|
|
Rapid water-responsive shape recovery in cellulose sponge
(untwisting mode) |
|
|
|
Twist dry cellulose
sponge and then wet by water for shape recovery |
|
|
|
PU SMP under stretching at room temperature |
|
|
|
Refreshable SMP Braille paper A |
http://www.youtube.com/watch?v=B0hQaDfqbAE Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Refreshable SMP Braille paper B |
http://www.youtube.com/watch?v=-6cMpYtWWyE Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Refreshable SMP Braille paper C |
http://www.youtube.com/watch?v=nLib-d-7ZaE Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Write-on transparency film as refreshable braille paper for the
blind |
|
|
|
Heating pre deformed write on OHP
transparency film |
|
|
|
Shape memory effect in overhead transparency |
|
|
|
SME in transparency after color-printed |
|
|
|
Removal of crease and stress whitening atop plastic membrane |
|
|
|
Shape memory effect and white/transparent transition in PVC
transparent film |
|
|
|
Transformer using SMP form |
http://www.youtube.com/watch?v=AncQTeftvjk Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Shape recovery in a PU foam
upon heating |
Reference(s): Tey,
S.-J., Huang, W.M. and Sokolwski, W. M., On the effects of long
term storage in cold hibernated elastic memory (CHEM) polyurethane
foam, Smart
Materials and Structures, Vol. 10, No.
2, 2001, pp321-325 |
|
|
The shape memory effect in PU foam - polyurethane foam deformed at room
temperature |
|
|
|
The SME in toothbrush cover bag |
|
|
|
Testing of a plastic food packaging bag |
|
|
|
Testing of plastic packaging tea bag |
|
|
|
Testing of plastic packaging bag (white coffee) |
|
|
|
Testing SME in a flexible/soft tape after impression and
stretching |
|
|
|
Repeat, rapid & comfort fitting elastic insole - Different from memory foam type of
insole. - Simply step-on to get a pair of elastic insole, just for you and only fit you. |
|
|
|
Comparison of elastic, memory and shape memory insoles |
|
|
|
Cannot find the right size? Why
not let shoes fit you. |
|
|
|
Easy fitting shoes -
Simplified version |
|
|
|
Comfort fitting shoes V2 -
No size, no left/right, just
wear it and then it will fit your size for as long as you wish. |
|
|
|
3D animation of comfort fitting shoes Comfort fitting at
any time, whenever you want. Single size; No right/left side. |
|
|
|
Comfort fitting shoes (sock version to proof of concept) |
|
|
|
Comfort fitting shoes [June 2015] |
|
|
|
Testing of the shape memory effect in a
EVA foam |
|
|
|
Shape memory shoes for comfort fitting 20151014 -
Proof of concept |
|
|
|
Comfort self-fitting shoes 20160211 |
|
|
|
Comfort self-fitting shoes (video) 20160212 |
|
|
|
Single sized shoes 20160310 -
PCT filed |
|
|
|
Single sized shoes 20160329 -
Proof of concept |
|
|
|
Single sized shoes 20160412 |
|
|
|
Single sized shoes 20160419 |
|
|
|
Single sized shoes 20160503 |
|
|
|
|
|
|
|
Rapidly personalized soft elbow pad (proof of concept) ¾ Heat to 65 Deg C for softening, wear it when
it is not too hot. After cooling back to room temperature, Bingo. |
|
|
|
|
|
|
|
Testing of two way shape memory
polymer: biased twisting polymeric actuator (20221019) |
|
|
|
Two-way SMP based actuators |
|
|
|
Two-way SMP+Al strip: under thermal cycling |
|
|
|
Thermal cycling in hot and cold water (20% pre-strained) |
|
|
|
Upon gradual cooling in water (25% ore-stretched) |
|
|
|
Buckling of pre-stretched cross-linked EVA upon cooling |
|
|
|
Buckling upon thermal cycling between 30-90 deg C (water)
(original speed) |
|
|
|
2 way EVA constrained recovery
upon thermal cycling between 30-90 Deg C (speed 4x) |
|
|
|
Thermal cycling of 2 way EVA between
0-95 deg C water |
|
|
|
Thermal cycling in hot and cold water (40% prestrained, refixed) |
|
|
|
|
|
|
|
Permeability test |
|
|
|
(Smoke test) surgical mask |
|
|
|
(Smoke test) fabric mask |
|
|
|
non-sliding mask |
|
|
|
Non-sliding mask (20210825) |
|
|
|
(Smoke test) N95 (original) |
|
|
|
(Smoke test) N95 (modified) |
|
|
|
(Smoke test) Nose area (comparison) |
|
|
|
Comfort fitting shape memory N95 mask |
|
|
|
Body-temperature
comfort fitting shape memory N95 mask |
|
|
|
Instant fitting N95
mask |
|
|
|
Redesign N95 for
instant comfort fitting |
|
|
|
Comfort fitting N95
masks (modified with silicone or PCL) [smoke test] |
|
|
|
Rapidly customized facial mask at body temperature |
|
|
|
Rapidly customized facial mask at body temperature (results) |
|
|
|
A closer look of facial mask via rapid comfort fitting |
|
|
|
Personalized invisible mask |
|
|
|
Rapid comfort fitting
mask |
|
|
|
My own mask |
|
|
|
Real face mask
(original without modification) |
|
|
|
Redesign mask:
Anti-theft sweep face/防盗刷脸口罩 |
|
|
|
3D real face mask |
|
|
|
Mask animation
20200903a |
|
|
|
|
|
|
|
Elastic magnetic shape
memory ring |
|
|
|
Body-temperature
programmable wrist watch |
|
|
|
Comfort fitting wrist
watches: proof of the concept |
|
|
|
Body-temperature
comfort fitting magnetic wrist ring and watch |
|
|
|
Body-temperature
comfort fitting magnetic wrist ring |
|
|
|
Comfort fitting
magnetic wrist ring |
|
|
|
Fitting magnetic wrist watch |
|
|
|
FDM printed mesh for
comfort fitting |
|
|
|
Body temperature rapid comfort fitting 20200308 |
|
|
|
Comfort fitting wrist keyboard |
|
|
|
Comfort fitting wireless wrist keypad |
|
|
|
Foldable touch pad for rapid fitting |
|
|
|
Stretchable touch pad (wrist band) 202504 |
|
|
|
Easy (dis)assembly/refitting shape memory splint
(proof-of-concept) |
|
|
|
Easy take off/put on and refitting shape memory splint |
|
|
|
Easy (refit), put on/take off splint |
|
|
|
Comfort fitting neck splint |
|
|
|
Demonstration of TPU slipper |
|
|
|
Rapid comfort fitting sock-shoes -
As compared with Skinners – ultraportable footwear for every adventure Our shoes are able to maintain the
shape of your foot once "programmed" to fit your size/shape
(personalized), and stiffer (while still elastic) to provide better
protection. # PCT has been filed. |
|
|
|
Shape memory comfort fitting sock-shoes
20160604 |
|
|
|
Comparison of normal socks and shape memory sock-shoes |
|
|
|
Shape memory sock shoes 20160705E |
|
|
|
Shape memory sock-shoes 20160815 A -
Surface finishing improved |
|
|
|
Testing 3D print pen sketched shape memory shoes |
|
|
|
Shape memory sock shoes -
Thin MG version |
|
|
|
Shape memory sock shoes -
Thick MG version |
|
|
|
Shape memory sock-shoes V20170328A -
How to
prepare your own sock-shoes in a couple of minutes? |
|
|
|
Shape memory sock-shoes: 1st test |
|
|
|
Self-fitting shoes: field test (2017/07/09) |
|
|
|
Sock shoes 20170716 testing -
tested in gym |
|
|
|
Sock-shoes (indoor/outdoor tests) 20170716 |
|
|
|
Testing of shape memory shoes 20170823 |
|
|
|
Comparison of normal socks and
personalized sock shoes Refer to, e.g., -
https://youtu.be/mBe3bKUKUBY -
https://youtu.be/tWsMFJ3sc3o for the process of
personalization. |
|
|
|
Testing of 5-finger sock-shoes |
|
|
|
1-4-all sock-shoes （V20171105.1） -
No size. no right/left. Comfort fitting whenever wanted again
and again. |
|
|
|
Testing of two versions of shape memory sock-shoes |
|
|
|
Shape memory shoes V.20180726 |
|
|
|
DIY shape memory shoes -
Step by step to (DIY)
fabricate shape memory shoes |
|
|
|
Shape memory sock shoes 20210921 |
|
|
|
Shape memory sock shoes (202203) |
|
|
|
Shape memory shoes: material testing (preliminary) |
|
|
|
Shape memory shoes: material testing |
|
|
|
Molded shape memory shoe (half) 20220117 |
|
|
|
Molded shape memory shoe 20220125 |
|
|
|
Shape memory shoe (形状记忆鞋) 20220308 |
|
|
|
|
|
|
|
1st piece (bottom half) for testing: part of shape memory shoes |
|
|
|
Shape memory-shear thickening sole -
Shear-thickening hydrogel
version |
|
|
|
Testing of shear-thickening/shape-memory sole |
|
|
|
Rapid personalized hallux valgus correction socks -
03 Nov 2016 |
|
|
|
Body-temperature remodelable soft elastic shape memory hybrid |
|
|
|
Shape memory protection board |
|
|
|
Shape memory hand ring |
|
|
|
Heat shrink (foam) tube |
|
|
|
Heat shrink (foam) tube for comfort handle -
Proof of concept |
|
|
|
Testing of slow recovery foam -
Recovery speed is much lower
than ordinary slow recovery foam (memory foam). The shape deformed at high
temperatures can be maintained for a long period of time. |
|
|
|
Control recovery time of slow recovery foams |
|
|
|
To modify elastic textile to become shape memory textile (I) |
|
|
|
To modify elastic textile into shape memory textile (II) |
|
|
|
Testing of Jersey with/without modification |
|
|
|
Flatten butterfly wing |
|
|
|
Testing of two insole materials |
|
|
|
SMP tag |
http://www.youtube.com/watch?v=0G5DeeQXQ0s Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Electrically conductive SMP
to active a toy |
|
|
|
Shape memory effect in a
plastic toy |
|
|
|
Formation of protrusion
array atop SMP |
http://www.youtube.com/watch?v=Kdhd8L1peW4 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
Machining of PS SMP plate -
Material:
PS shape memory polymer (from CRG) |
|
|
|
Recovery of indents upon
heating -
Material:
PS (from CRG) |
|
|
|
Indentation (PS SMP,
simulation) A |
|
|
|
Indentation (PS SMP,
simulation) B |
|
|
|
Indentation (PS SMP,
simulation) C |
|
|
|
Micro SMP spring (coil 500
um; wire 70 um) |
http://www.youtube.com/watch?v=vgHUDP8XwAI Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|
PU fiber (MM5520) in room
temperature ethanol |
http://www.youtube.com/watch?v=db_VpiCIZrE |
|
|
PU spring (MM5520) in room
temperature ethanol |
|
|
|
PU spring (MM5520) in
ethanol (self-twisting/untwisting) |
|
|
|
Pre-stretched PU spring
(MM5520) in room temperature ethanol |
|
|
|
Shrinking of pre-stretched TPU in acetone atmosphere -
Thermal
plastic TPU265A (Tm about 60 Deg C), stretched at room temperature |
|
|
|
Bending of pre stretched PCL
in acetone atmosphere |
|
|
|
Instability in FDM printing
(PLA from Esun) |
|
|
|
Buckling of pre-stretched
PMMA in hot silicone oil |
http://www.youtube.com/watch?v=KymDucw0EHU Reference: Zhao Y,
Wang CC, Huang WM, Purnawali H, Buckling of poly(methyl methacrylate) in stimulus-responsive shape
recovery, Applied Physics
Letters,
accepted |
|
|
Buckling of straight wires
embedded in soft elastic matrix |
|
|
|
Buckling of embedded threads in soft matrix |
|
|
|
Wavelength controlled
buckling of embedded strips |
|
|
|
Buckling atop soft surface |
|
|
|
Example for Hole experiment
with joint waves |
|
|
|
Example of Hole experiment
no joint waves |
|
|
|
Modified via laser engraving
(buckling of elastic strip atop soft substrate) |
|
|
|
Preshaped strip experiment
2.75 mm wavelength |
|
|
|
Preshaped strip experiment
2.25 mm wavelength |
|
|
|
Buckling of PI strip (LIG
modified) |
|
|
|
Bilayer strip (substrate
shrinkage induced deformation) |
|
|
|
Quasi-plastic indentation
atop pre-compressed melamine foam |
|
|
|
|
|
|
|
Joule heating PU SMP
(temperature distribution) A |
|
|
|
Joule heating PU SMP
(temperature distribution) B |
|
|
|
Joule heating PU SMP
(temperature distribution) C |
|
|
|
Joule heating PU SMP
(temperature distribution) D |
|
|
|
Joule heating PU SMP
(temperature distribution) E |
|
|
|
Shape recovery of PU
SMP/clay composite A PU SMP (MM3520) 5wt% non-treated clay atop 80 Deg C hotplate |
|
|
|
Shape recovery of PU
SMP/clay composite B PU SMP (MM3520) 10wt% non-treated clay atop 80 Deg C hotplate |
|
|
|
From 3D printing to
4D |
|
|
|
Heating-responsive
shape memory effect in PLA: from 3D printing to 4D |
|
|
|
Testing of the shape
memory effect in 1.5 mm PLA filament for 3D printing |
|
|
|
The shape memory
effect in PLA filament for 3D printing (small strain) |
|
|
|
Years old PLA
filament -
Ductile/brittle and shape
memory effect |
|
|
|
Years old Flx
filament from RoHS - Ductile/brittle
and shape memory effect |
|
|
|
The shape memory
effect in flexible filament from ESUN - 1.75 mm for 3D printing, ESUN |
|
|
|
Heating-responsive
shape memory effect in PVA filament (for 3D printing) |
|
|
|
PVA filament (for 3D
printing) in water |
|
|
|
PLA card 01 |
|
|
|
PLA card 02 |
|
|
|
PLA card 03 |
|
|
|
Verification of
concept of 3D printed magic card |
|
|
|
http://youtu.be/FIQIhyLAR6c |
|
|
|
3D printed
personalized card, which reveals the actual image only upon heating |
3D printed personalized card. Its actual image only appears when
heated by a hair dryer or hot water. It may be used as a gift card to bring a
big surprise (secret message, signature or image) . |
|
|
Shape memory effect
in FDM printed PLA flakes |
|
|
|
4D card |
|
|
|
Unfolding 3D printed Apple-Jobs |
|
|
|
3D/4D printed NTU |
|
|
|
SME in 3D printed PLA cat |
|
|
|
Reshaping via shape memory effect (FDM printed) |
|
|
|
Shape memory effect in PLGA |
|
|
|
Testing of the shape memory effect in PLGA (II) |
|
|
|
SME in TPU |
|
|
|
The SME in heat treated thermoplastic polyurethane -
Much less sticky at high temperatures, able to be programmed at high temperatures and good SME |
|
|
|
Shape memory effect and change of transparency in
thermoplastic polyurethane |
|
|
|
Soft shape memory polymer: able to catch finger print |
|
|
|
Shape recovery in TPU 262A -
Twisted when it was still transparent, held for crystallization |
|
|
|
SME in a thermoplastic PU 20160421 -
Sample was prepared by hot compression |
|
|
|
The SME in coated TPU/PU mixture -
Finger print caught and then
removed upon heating again |
|
|
|
SME in heat shrink polymer |
|
|
|
Macro/micro SME in heat
shrink polymer |
|
|
|
Heat assisted self-folding using heat shrink
polymer |
|
|
|
Gravure printing using heat shrink tube |
|
|
|
Heat to open |
|
|
|
Heat to open (2D) |
|
|
|
Heat to bend due to strain mismatch |
|
|
|
Formation of Fe3O4 magnetic chains in
polyurethane shape memory polymer |
Reference(s):
Huang,
W.M., Yang, B. and Fu, Y.Q., Polyurethane shape memory polymers, Taylor & Francis/CRC Press, 2011 Lan, X., Huang, W.M., Leng, J.S.,
Liu, N., Phee, S.J. and Yuan, Q., Elektrisch leitfähige
Formgedächtnispolymere (Electrically conductive shape-memory polymers), GAK
Gummi Fasern Kunststoffe
(in German), Vol.61, No. 12, 2008,
pp784-789 Lan, X., Huang, W.M., Leng, J.S.,
Liu, N., Phee, S.J. and Yuan, Q., Electric conductive shape-memory polymer
with anisotropic electro-thermo-mechanical properties, RFP
Rubber Fibers Plastics, Vol. 4, 2009, pp
84-88 |
|
|
Switching of Fe3O4 magnetic
chains in polyurethane shape memory polymer at 200oC |
Reference(s):
Huang,
W.M., Yang, B. and Fu, Y.Q., Polyurethane shape memory polymers, Taylor & Francis/CRC Press, 2011 Lan, X., Huang, W.M., Leng, J.S.,
Liu, N., Phee, S.J. and Yuan, Q., Elektrisch leitfähige
Formgedächtnispolymere (Electrically conductive shape-memory polymers), GAK
Gummi Fasern Kunststoffe
(in German), Vol.61, No. 12, 2008,
pp784-789 Lan, X., Huang, W.M., Leng, J.S.,
Liu, N., Phee, S.J. and Yuan, Q., Electric conductive shape-memory polymer
with anisotropic electro-thermo-mechanical properties, RFP
Rubber Fibers Plastics, Vol. 4, 2009, pp
84-88 |
|
|
An introduction to
chemo-responsive shape memory/change effect in polymeric materials |
|
|
|
Reference(s):
Huang,
W.M., Yang, B. and Fu, Y.Q., Polyurethane shape memory polymers, Taylor & Francis/CRC Press, 2011 Huang et al Thermo-moisture responsive
polyurethane shape-memory polymer and composites: a review, Journal of Materials
Chemistry, Vol. 20, 2010, pp3367-3381 |
||
Shape memory hybrids |
|
||||
|
Shape memory effect in
silicone/wax hybrid |
Reference: Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Shape memory effect in
silicone/ sodium acetate hybrid |
|
||||
|
Shape memory effect in
silicone/wax/melting glue hybrid |
|
||||
|
SME in silicone/glucose
hybrid A |
|
||||
|
SME in silicone/rosin hybrid
A |
|
||||
|
Healing of scratch produced
by blade atop TPU -
Heat-assisted
healing based on the shape memory effect in TPU |
|
||||
|
Rubber-like SMH with
repeated instant self-healing function A1 |
http://www.youtube.com/watch?v=PBthRXKJeUM Reference(s): Huang et al, Shape memory
materials, Materials
Today, Vol. 13, 2010, pp54-61 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Rubber-like SMH with
repeated instant self-healing function A2 |
http://www.youtube.com/watch?v=kKBDPUtN_Sg Reference(s): Huang et al, Shape memory
materials, Materials
Today, Vol. 13, 2010, pp54-61 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Rubber-like SMH with
repeated instant self-healing function A3 |
http://www.youtube.com/watch?v=WRebpWvpk9w Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Rubber-like SMH with
repeated instant self-healing function A4a [Programmed sample (in V-shape) under cyclic loading at room
temperature] |
http://www.youtube.com/watch?v=N8us-7BEASE Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Rubber-like SMH with
repeated instant self-healing function A4b [Original straight sample
under cyclic loading at room temperature.] |
http://www.youtube.com/watch?v=BkgcwFKsQPI Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Rubber-like SMH A |
http://www.youtube.com/watch?v=nWEtddspd9o Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
It is show-time: Magic I |
http://www.youtube.com/watch?v=O_ndngzQIRg Samples prepared by:
CHIA JIUN WEI as a part of his
URECA 2010 Magician: TAN KHUN LING as a part of his URECA
2011 |
|
|||
|
It is show-time: Magic II |
|
||||
|
It is show-time: Magic III |
|
|
|||
|
Mind reader |
Magician: TAN KHUN LING as a part of his URECA 2011 |
|
|||
|
Reconfigurable elastic mug The distorted elastic mug
(made of silicone and MG) is able to return its
original shape upon heating by hot water. - URECA 2013-2014
project by TAN PHEI CHIEH |
|
||||
|
Room temperature
programmable shape memory rubber |
|
||||
|
Elastic shape memory
rubber: able to catch finger print at body
temperature -
Shore hardness 30A; during impression at body temperature about 10A |
|
||||
|
Shape memory rubber -
Comparison of two versions. |
|
||||
|
Body/room-temperature
reconfigurable rubber |
|
||||
|
Body temperature
programmable soft shape memory polymer |
|
||||
|
Body temperature
programmable elastic SMP: testing of elasticity at room temperature |
|
||||
|
Highly elastic
body-temperature programmable silicone shape memory hybrids |
|
||||
|
Testing elasticity of
body temperature programming shape memory hybrids (two types) |
|
||||
|
Body-temperature
programmable shape memory/stretchable electronic device for comfort fitting |
|
||||
|
Stretchable, body-temperature programmable shape
memory electronic device (proof-of-concept) |
https://youtu.be/mSQtJZjwmTc |
|
|||
|
Extra-soft shape memory sponge programmable at
body/room temperature |
|
||||
|
Body/room temperature programmable highly
elastic/soft shape memory foam |
|
||||
|
Body-temperature programmable soft shape memory
sponge |
|
||||
|
Body/room temperature
programmable rubber-band-like thermoplastic shape memory polymer -
Thermoplastic (good for 3D
printing), rubber-band-like at room temperature, programmable at body/room
temperature in 3-5 min, 100% shape fixity ratio and shape recovery ratio |
|
||||
|
FEM simulation of
body-temperature programmable elastic shape memory hybrids: in uniaxial
tension |
|
||||
|
Formation of eyeball in
stretching of shape memory hybrid: FEM simulation |
|
||||
|
Inclusion in soft elastic
matrix (Mullins effect) |
|
||||
|
|
|
|
|||
|
Elasticity and shape memory
effect in UHU glue (testing, Version I) |
|
||||
|
Body-temperature
programmable elastic thermoplastic shape memory polymer |
|
||||
|
Body-temperature
programmable thermoplastic elastic shape memory polymer: shape memory effect |
|
||||
|
Transparent, elastic, body
temperature programmable, thermoplastic shape memory polymers |
|
||||
|
Body temperature
programmable thermoplastic elastic SMH |
|
||||
|
Body-temperature
programmable thermoplastic elastic shape memory polymers |
|
||||
|
Rubber-band like transparent
shape memory polymer -Always as elastic as
rubber-band, fully transparent, with heat-responsive shape
memory effect |
|
||||
|
Thermo-plastic shape memory
rubber |
|
||||
|
Testing of rubber-like shape
memory membrane (programming and recovery) |
|
||||
|
Photoelastic test of
rubber-like shape memory membrane |
|
||||
|
Photo-elasticity
test: elastic TPU upon heating |
|
||||
|
Photo elasticity: local
heating of plastic petri dish and PP box (cover) -
Using a
lighter |
|
||||
|
Chemo-responsive shape
memory phenomenon in rubber-like shape memory membrane -
Activated by acetone and
ethanol |
|
||||
|
Acetone induced shape
recovery in a TPU film -
Comparison of with/without
pre-stretching |
|
||||
|
Wet TPU film by acetone
droplet |
|
||||
|
Always rubber band like
elastic shape memory polymer -
Highly elastic at both high
and low temperatures, thermoplastic |
|
||||
|
Shape memory rubber: setup
of the permanent and temporary impression |
|
||||
|
Hot pressed rubber-like
shape memory polymer -
Polarized video for
comparison of hot compressing |
|
||||
|
Testing of the shape memory
effect in a rubber-like shape memory polymer |
|
||||
|
Stretching/heating a SBS TPR
strip (photo-elasticity) |
|
||||
|
Comparison of two types of spandex: elasticity and shape recovery |
|
||||
|
Wearable electrical device
based on flexible shape memory polymeric material Resistance measurement (combined) |
|
||||
|
Stretchable conductive
bundle/fabric |
|
||||
|
Elastic electrical bundle -
Without changing
in resistance upon reversible stretching |
|
||||
|
Stretchable/conductive wrist
ring: comparison |
|
||||
|
Stretchability of elastic,
elastic/conductive, and conductive threads |
|
||||
|
Significant drop in
resistance upon stretching of highly elastic conductive bundle |
|
||||
|
Stretchable conductive
thread (20210908) |
|
||||
|
Cyclic loading of
stretchable conductive bundles (6 samples setup) |
|
|
|||
|
Flexible touch pad 20210619:
Made of commercial threads and technologies |
|
||||
|
Stretchable conductive
thread: pre-test |
|
||||
|
Stretchable touch pad |
|
||||
|
Stretchable capacitive
Touchpad |
|
||||
|
Stretchable capacity
touchpad V-II |
|
||||
|
|
|
|
|||
|
From 2D to 3D via heat induced folding using vitrimer PU -
Self-folding
via the shape memory effect in vitrimer polymer |
|
||||
|
2D to 3D morphing with vitrimer PU |
|
||||
|
Easy reshape with vitrimer composites |
|
||||
|
Lord of the rings (trilogy): rings with single magnetic pole on
the outer surface |
|
||||
|
Semi-suspended |
|
|
|||
|
Shape memory magnet
with re-programmable magnetic field |
|
|
|||
|
|
|
|
|||
|
Cooling/water-responsive
SMH A [Melting upon cooling] |
http://www.youtube.com/watch?v=VMeZAPzMXYw Reference: Wang CC, Huang WM, Ding Z, Zhao
Y, Purnawali H, Cooling-/water-responsive shape memory hybrids, Composites Science and Technology, in
press |
|
|||
|
Cooling/water-responsive
SMH B [Programming] |
http://www.youtube.com/watch?v=09t_vFg_LTE Reference: Wang CC, Huang WM, Ding Z, Zhao Y,
Purnawali H, Cooling-/water-responsive shape memory hybrids, Composites Science and
Technology, in press |
|
|||
|
Cooling/water-responsive
SMH C [Recovery in 0oC water] |
http://www.youtube.com/watch?v=y_1ZzmcgHj8 Reference: Wang CC, Huang WM, Ding Z, Zhao Y,
Purnawali H, Cooling-/water-responsive shape memory hybrids, Composites Science and
Technology, in press |
|
|||
|
Cooling/water-responsive
SMH D [Recovery in 20oC water] |
http://www.youtube.com/watch?v=yZj5BrXZpoM Reference: Wang CC, Huang WM, Ding Z, Zhao Y,
Purnawali H, Cooling-/water-responsive shape memory hybrids, Composites Science and
Technology, in press |
|
|||
|
Cooling-responsive shape
memory hydrogel |
|
||||
|
Cooling-responsive shape
memory hydrogel cross-linked in solid state |
|
||||
|
Cooling responsive shape
memory hydrogels: shape recovery |
|
||||
|
Testing of
cooling-responsive shape memory hydrogel: shaking and sticky |
|
||||
|
Testing of
cooling-responsive shape memory hydrogel: sticky |
|
||||
|
Cooling responsive shape
memory hydrogel 20190511 |
|
||||
|
Cooling-responsive shape
memory hydrogel: elastic, not so sticky version |
|
||||
|
Animation of 3D printing
thermal gel -
Printing
via FDM and then UV curing. |
|
||||
|
|
|
|
|||
|
Electro-activated shape
memory hybrid structure |
|
||||
|
Pure electro-active shape
memory hybrids: from concept to demonstration |
|
|
|||
|
Real electro-active shape
memory hybrid (still improving) |
|
|
|||
|
Real electro-activated SMH
(prototype 2) |
|
|
|||
|
Tapping induced SME |
|
|
|||
|
Pressure responsive SMH
(impact) |
|
|
|||
|
Water-responsive SMH A (polymer sponge/cupric sulphate
pentahydrate) |
Reference(s): Fan,
K., Huang, W.M., Wang, C.C., Ding, Z., Zhao, Y., Purnawali, H., Liew, K.C.
and Zheng, L.X., Water-responsive shape memory hybrid: design concept and
demonstration, eXPRESS Polymer Letters, Vol.
5, No. 5, 2011, pp409-416 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
How to DIY your own shape
memory foam? |
|
||||
|
Transformer made of sponge/wax -2013/14 FYP |
|
||||
|
Shape memory effect in
modified elastic sponge |
|
||||
|
Memory foam, hand impression |
|
||||
|
Comparison of different slow
recovery (memory) foam |
|
||||
|
Heating assisted recovery in
"elastic" sponge - clamped for two days |
|
||||
|
Shape recovery of elastic
sponge with/without heating - clamped for one month |
|
||||
|
DIY elastic shape memory
sponge |
|
||||
|
Heating assisted recovery in
"elastic" sponge - clamped for two months |
|
||||
|
The shape memory effect in
elastic sponge - Water/heating-responsive? |
|
||||
|
SME in EVA insole |
|
||||
|
Comparison of elastic
sponge, memory foam and shape memory foam |
|
||||
|
SME in styrofoam |
|
||||
|
Water-responsive SMH B (silicone/ sodium acetate
trihydrate) (right: in air; left: in room temperature water) |
Reference(s): Fan,
K., Huang, W.M., Wang, C.C., Ding, Z., Zhao, Y., Purnawali, H., Liew, K.C.
and Zheng, L.X., Water-responsive shape memory hybrid: design concept and
demonstration, eXPRESS Polymer Letters, Vol.
5, No. 5, 2011, pp409-416 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
Electrically conductive SMH (joule heating, 6%CF+20%wax56+74%silicone ) |
Reference: Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
Multiple-stimuli-responsive
silicone-sodium acetate trihydrate hybrid |
|
||||
|
An introduction to
mechano-responsive shape memory hybrid |
|
||||
|
An introduction to
cooling-responsive shape memory hybrid (SMH) |
|
||||
|
An introduction to shape
memory hybrid (SMH): a technique to design your own shape memory materials |
|
||||
|
|
|
|
|||
Medical applications of shape memory materials |
|
||||
|
Self-untying SMP suture upon
heating |
http://www.youtube.com/watch?v=2XEBdzdRN70 |
|
|||
|
Self-untying SMP suture upon
heating (fast) |
Reference: Huang
WM, Song CL, Fu YQ, Wang CC, Zhao Y,
Purnawali H, Lu HB, Tang C, Ding Z. Zhang JL, Shaping tissue with shape
memory materials, Advanced
Drug Delivery Reviews, in press |
|
|||
|
Self-untying SMP suture upon
heating in hot water |
|
|
|||
|
Self-tightening (PU wire) knot upon immersing into
water |
Reference: Huang,
W.M., Yang, B. and Fu, Y.Q., Polyurethane shape memory polymers, Taylor & Francis/CRC Press, 2011 Huang
WM, Song CL, Fu YQ, Wang CC, Zhao Y,
Purnawali H, Lu HB, Tang C, Ding Z. Zhang JL, Shaping tissue with shape
memory materials, Advanced
Drug Delivery Reviews, in press |
|
|||
|
Self-tightening SMP suture upon heating |
References: Huang,
W.M., Yang, B. and Fu, Y.Q., Polyurethane shape memory polymers, Taylor & Francis/CRC Press, 2011 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
PLA spiral spring for
sutureless anastomosis |
Reference: Huang
WM,
Song CL, Fu YQ, Wang CC, Zhao Y, Purnawali H, Lu HB, Tang C, Ding Z. Zhang
JL, Shaping tissue with shape memory materials, Advanced Drug
Delivery Reviews, in press |
|
|||
|
Self-tightening PLA staple |
Reference: Huang
WM,
Song CL, Fu YQ, Wang CC, Zhao Y, Purnawali H, Lu HB, Tang C, Ding Z. Zhang
JL, Shaping tissue with shape memory materials, Advanced Drug
Delivery Reviews, in press |
|
|||
|
Proof of concept of self-tightening staple:
1 preparation (2012/2013 FYP) |
|
|
|||
|
Proof of concept of self-tightening staple:
2 the shape memory effect (2012/2013 FYP) |
|
|
|||
|
Proof
of concept of self-tightening staple: 3 penetration (2012/2013 FYP) |
|
|
|||
|
Proof
of concept of self-tightening staple: 4 tightening (2012/2013 FYP) |
|
|
|||
|
Retractable SMA spiral stent
(two-way SME) |
Reference: Sun et al, Stimulus-responsive shape memory materials: a review,
Materials and Design, 33, 2012, 577-640 |
|
|||
|
Retractable SMA stent
(triple-SME) |
Reference: Huang
WM, Song CL, Fu YQ, Wang CC, Zhao Y,
Purnawali H, Lu HB, Tang C, Ding Z. Zhang JL, Shaping tissue with shape
memory materials, Advanced Drug Delivery Reviews, in press |
|
|||
|
Retractable SMA/silicone
composite stent |
Reference: Sun et al, Stimulus-responsive shape memory
materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
Retractable SMH stent (silicone/ sodium acetate
trihydrate) upon immersing into room temperature water |
Reference(s): Fan,
K., Huang, W.M., Wang, C.C., Ding, Z., Zhao, Y., Purnawali, H., Liew, K.C.
and Zheng, L.X., Water-responsive shape memory hybrid: design concept and
demonstration, eXPRESS Polymer Letters, Vol.
5, No. 5, 2011, pp409-416 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
Retractable elastic shape
memory stent |
|
|
|||
|
Elastic shape memory polymeric stent with
retraction function |
(2009 EID project) |
|
|||
|
|
http://www.youtube.com/watch?feature=player_detailpage&v=U6lySw33pbM |
|
|||
|
Water activated PEG sponge hybrid |
http://youtu.be/ct7PNLB8u3U |
|
|||
|
Wetting induced buckling in
PEG hydrogels with different prestrains |
|
||||
|
Wetting induced buckling in
PEG hydrogel (optimized) |
|
||||
|
Wetting induced buckling in
PLGA PEG composites with different prestrains |
|
||||
|
Rapid occlusion of blood
vessel (demonstration) -
In two minutes. An A*STAR BEP project |
|
||||
|
Rapid occlusion of blood vessel (in vitro, dual vessels) |
|
||||
|
Biodegradable shape memory
embolization: Animal test April, 2015 |
|
||||
|
Water/body fluid activated bio-degradable plug 23 Sep 2015 |
|
||||
|
Wetting induced buckling
(real time exp. results) 201602 -
Biodegradable
polymer |
|
||||
|
Water induced buckling in
pre-stretched PEG wire within a
tube PEG in constrained tube with flow system. Diameter Before stretching: 2.45 mm After stretching 600% : 0.87 mm Length: 50 mm Flow Rate: 120 ml/min Flow media : Deionized water at 37 °C Tube Diameter: 4 mm |
|
||||
|
Comparison of water induced buckling in
pre-stretched PEG wire (free-standing/within confined space) Video speed 8x |
|
||||
|
Wetting in water and drying in air of PEG/PLGA |
|
||||
|
滴管封堵试验 |
|
||||
|
Testing of prestretched
PEG/PLGA composite wires in water (I) |
|
||||
|
Testing of prestretched
PEG/PLGA composite wires in water (II) |
|
||||
|
|
|
|
|||
|
|
|
|
|||
Shape
memory material morphing wings |
|
||||
|
SMA morphing wing 01 |
http://www.youtube.com/watch?v=D_nOtAhX_1Y Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
SMA morphing wing 02 |
http://www.youtube.com/watch?v=fN69J3pp3ak Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMA morphing wing 03 |
http://www.youtube.com/watch?v=qajk6df7dGk Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMA morphing wing 07 |
http://www.youtube.com/watch?v=gxEc8SqjdEg Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMA morphing wing 04 |
http://www.youtube.com/watch?v=C44ZLRiH-t8 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
SMA morphing wing 09 |
http://www.youtube.com/watch?v=d54o7PIamUk Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMA morphing wing 05 |
http://www.youtube.com/watch?v=v2Ucnak1lf8 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMA morphing wing 06 |
http://www.youtube.com/watch?v=ohdjKlSU0c4 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMA morphing wing 08 |
http://www.youtube.com/watch?v=_Cz3CyG_dK0 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMA morphing wing 10 |
http://www.youtube.com/watch?v=APdPDHTI-F0 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMA morphing wing 11 (1st version) |
|
|
|||
|
SMA morphing wing 12 (2nd version) |
|
|
|||
|
SMP morphing wing 01 |
http://www.youtube.com/watch?v=yhHI_i_DgY8 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
SMP morphing wing 02 |
http://www.youtube.com/watch?v=Hw02mEsTtsE Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
|
|
|
|||
|
One-way/two-way shape memory effect |
|
||||
|
One-way shape memory effect
in shape memory alloy (NTU_quick one) |
|
|
|||
|
One-way shape memory effect
in shape memory alloy (NTU_slow one) |
|
|
|||
|
Two-way shape memory effect
in a NiTi wire |
Reference(s): Huang,
W.M., Goh, H.B. and Li, C., Effects of reheat treatment conditions in
training of two-way shape memory, Journal of Materials Science Letters, Vol. 21, No. 13, 2002, pp991-993 Huang,
W. and Goh, H. B., On the long term stability of
two-way shape memory alloy trained by reheat treatment, Journal of
Materials Science letters, Vol. 20,
2001, pp1795-1797 Huang, W. and Toh, W., Training two-way shape memory
alloy by reheat treatment, Journal of Materials Science Letters (UK), Vol.19, No.17, 2000, pp1549-1550 |
|
|||
|
Material two-way shape
memory effect (twisting) |
Reference: Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Material two-way shape
memory spring -
Contraction
upon heating; expansion upon heating (atop a hot plate) |
|
|
|||
|
One-way/material two-way
shape memory effect in shape memory alloy |
|
|
|||
|
Testing of material two-way
SME in Nitinol -
As received
cold drawn Nitinol wire, heat treated one time. |
|
||||
|
Mechanical two-way shape
memory effect in shape memory hybrid (I) (silicone/sodium acetate trihydrate) |
http://www.youtube.com/watch?v=4fZHUOxXs0A&feature=youtu.be |
|
|||
|
Mechanical two-way shape memory effect in shape memory hybrid (II)
(silicone/wax) |
Reference: Huang et al, Shape memory
materials, Materials
Today, Vol. 13, 2010, pp54-61 |
|
|||
|
Shape memory alloy wig (Change shape
according to your current mood, if you want). |
|
|
|||
|
Shape memory alloy “star” (one-way and then material
two-way shape memory effect) |
|
|
|||
|
Material two-way NiTi SMA
micro gripper -
Joule
heating, laser cutting from SMA sheet |
Reference: Huang, W.M., Gao, X.Y., Loo, B.K., He, L.M. and
Ngoi, B.K.A., Micro gripper using two-way shape memory alloy thin sheet, The
International Conference on Superelastic Technologies and Shape Memory
Materials (SMST-SMM 2001), 2-6 September, 2001, Kunming, China, pp43 |
|
|||
|
Micro-gripper using material
two-way shape memory alloy -joule heating for actuation |
http://www.youtube.com/watch?v=Z4U69ocUrtw&feature=youtu.be References: Huang, W.M., Gao, X.Y., Loo, B.K., He, L.M. and
Ngoi, B.K.A., Micro gripper using two-way shape memory alloy thin sheet, The
International Conference on Superelastic Technologies and Shape Memory
Materials (SMST-SMM 2001), 2-6 September, 2001, Kunming, China, pp43 Sun et al, Stimulus-responsive shape memory
materials: a review, Materials
and Design, 33, 2012, 577-640 |
|
|||
|
|
|
|
|||
|
Multiple-shape memory effect in shape memory materials |
|
||||
|
Multiple-SME in SMA
(bending) |
http://www.youtube.com/watch?v=kYugtD1vZzM Reference(s): Huang,
W.M., Yang, B. and Fu, Y.Q., Polyurethane shape memory polymers, Taylor & Francis/CRC Press, 2011 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Multiple-SME in SMA (SSP) |
http://www.youtube.com/watch?v=qowuEsnX4Q4 Reference(s): Huang et al, Shape memory
materials, Materials
Today, Vol. 13, 2010, pp54-61 Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33, 2012, 577-640 Tang C,
Huang WM, Wang CC, Purnawali H, The triple-shape memory effect in NiTi shape
memory alloys, Smart
Materials and Structures, Vol. 21, 2012, 085022 |
|
|||
|
Multiple-SME in SMA (LSP) |
http://www.youtube.com/watch?v=BzOIBdyTTl8 Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 Tang C,
Huang WM, Wang CC, Purnawali H, The triple-shape memory effect in NiTi shape
memory alloys, Smart
Materials and Structures, Vol. 21, 2012, 085022 |
|
|||
|
Multiple-SME in SMA
(rotation) |
http://www.youtube.com/watch?v=r-ydr6kWr8w Reference: Tang C,
Huang WM, Wang CC, Purnawali H, The triple-shape memory effect in NiTi shape
memory alloys, Smart Materials and
Structures,
Vol. 21, 2012, 085022 |
|
|||
|
Quick demo of triple-SME in
Nitinol |
Reference: Tang C,
Huang WM, Wang CC, Purnawali H, The triple-shape memory effect in NiTi shape
memory alloys, Smart Materials and
Structures,
Vol. 21, 2012, 085022 |
|
|||
|
Triple SME in SMA:
reprogrammable |
|
|
|||
|
Multiple-SME in SMP A |
http://www.youtube.com/watch?v=8-XKX3lOBks Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 |
|
|||
|
Multiple-SME in SMP B |
|
||||
|
Multiple-SME in SMP C |
|
||||
|
Multiple-SME in SMP D |
http://www.youtube.com/watch?v=e2z504n9oto Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 Huang et al,
Water-driven programmable polyurethane shape memory polymer: demonstration
and mechanism, Applied Physics
Letters, Vol.86, 2005,
114105 |
|
|||
|
Multiple-SME in SMP (in
water) |
http://www.youtube.com/watch?v=kfUG24HW9To Reference(s): Sun et al, Stimulus-responsive
shape memory materials: a review, Materials
and Design, 33,
2012, 577-640 Huang et al,
Water-driven programmable polyurethane shape memory polymer: demonstration
and mechanism, Applied Physics
Letters, Vol.86, 2005,
114105 |
|
|||
|
Multiple-SME in silicone/wax
hybrid A |
http://www.youtube.com/watch?v=WDEcWDl6qPA Reference: Huang et al, Shape memory
materials, Materials Today,
Vol. 13, 2010, pp54-61 |
|
|||
|
Triple SME: straight to
curve to straight in hot water (material
EVA) |
|
||||
|
Multiple-SME in silicone/wax
hybrid B |
|
||||
|
Triple-shape memory effect
in PU sponge |
Reference: Huang,
W.M., Yang, B. and Fu, Y.Q., Polyurethane shape memory polymers, Taylor & Francis/CRC Press, 2011 |
|
|||
|
An introduction to the
triple-shape memory effect in NiTi shape memory alloy |
|
||||
|
Shape memory effect in materials |
|
||||
|
2-D microlens array atop PMMA_A |
Reference: Zhao Y, Wang CC,
Huang WM, Purnawali H, An L, Formation of micro protrusive lens arrays atop poly(methyl methacrylate), Optics
Express, Vol. 19, No. 27, 2011, pp.26000-26005 |
|
|||
|
2-D microlens array atop PMMA_B |
Reference: Zhao Y, Wang CC,
Huang WM, Purnawali H, An L, Formation of micro protrusive lens arrays atop poly(methyl methacrylate), Optics
Express, Vol. 19, No. 27, 2011, pp.26000-26005 |
|
|||
|
3-D microlens array atop PMMA (insect eye) |
Reference: Zhao Y, Huang WM, Purnawali H, Three
dimensional surface pattering atop poly(methyl
methacrylate) (PMMA), Applied Mechanics and Materials, Vol. 161, 2012, 292-295 |
|
|||
|
2D/3D microlens array atop PMMA -
MSc 2015 |
|
||||
|
Thermo-responsive shape memory effect in nail |
Reference: Huang WM, Zhao Y, Wang CC, Ding Z, Purnawali H, Tang C, Zhang JL, Thermo/chemo-responsive
shape memory effect in polymers: a sketch of working mechanisms, fundamentals
and optimization, Journal of Polymer Research, accepted |
|
|||
|
Moisture induced SME in silk |
|
|
|||
|
Water-driven shape memory effect in human hair |
|
||||
|
Water responsive shape memory effect in cellophane
noodles/Chinese vermicelli |
|
||||
|
Elasticity and water-responsive shape memory
effect in DNA -
Sample and preparation： DNA from banana,
dried. Wet in room temperature water. |
|
||||
|
Water-responsive shape memory effect in leaf |
|
||||
|
Shape memory effect in plant leaves -
water and hot water activated
shape recovery |
|
||||
|
Water-responsive shape memory effect
in shrimp feelers |
|
||||
|
Comparison of shape change effect and shape memory
effect in polymeric membrane |
|
||||
|
Advanced shape memory sensors |
|
||||
|
Advanced shape memory
polymeric sensors |
A brief introduction of
new sensor applications of the thermo-responsive shape memory effect in
polymeric materials as - Temperature sensor to track the highest
temperature - Advanced anti-counterfeit label/component |
|
|||
|
Shape memory
temperature label v1 FYP 2013/14 |
- From the propagation of line to know the heating
temperature. |
|
|||
|
Anti-heating
transfer label FYP 2013/14 |
|
||||
|
Anti-heating transfer label (color change) FYP 2013/14 |
|
||||
|
Anti-heating transfer label (word version) FYP 2013/14 |
|
||||
|
Void after heating |
|
|
|||
|
2D to 3D using heat shrink tube: flat to twisted |
|
||||
|
Anti heat transfer label proof of concept I FYP 2013/14 |
http://youtu.be/t3s3BKyYVg0 |
|
|||
|
Anti heat transfer label proof of concept II FYP 2013/14 |
http://youtu.be/UNKS-7V8ElI |
|
|||
|
Anti heat transfer void paper - 1st prototype FYP 2013/14 |
|
||||
|
Anti heat transfer void paper (II) - 2nd prototype FYP 2013/14 |
|
||||
|
Anti heat transfer label 20150404a |
|
||||
|
Anti-heat transfer void paper 20170820 |
|
||||
|
Testing of shape memory void paper 20170822 -
With anti-heat transfer function |
|
||||
|
Testing of beer can packaging membrane |
|
||||
|
Testing of heat shrink labels of plastic bottles |
|
||||
|
Heat shrink drink bottle labels |
|
||||
|
Origami with 1D heat shrink film: orientation dependent |
|
||||
|
Screen printed heat
shrink label: before and after heating |
|
||||
|
Testing of heat shrink film (for battery packaging) |
|
||||
|
Heat shrink label 20160318 -
Crack opening |
https://youtu.be/NxQwGXA7DOw |
|
|||
|
Cracking upon heating by lighter (only) |
|
||||
|
打火机加热开裂破损膜 |
|
||||
|
Shape memory label -
(Demonstration) for
anti-counterfeit; anti-heat transfer etc. |
|
||||
|
Dual-pattern anti-counterfeit label -
Upon heating in hot water, one
pattern disappears, so that we can clearly recognize one single word pattern
of "SMT". |
|
||||
|
Anti-counterfeit card 29062015 -
Heating to
disappear or appear |
|
||||
|
Step-by-step disappearance of SMT impressions (NCV) -
SMT impressions disappear upon
gradual heating |
|
||||
|
Gradual heating for disappearance of impressions in a step-by-step
manner -
Comparison: using hair dryer and
hot water |
|
||||
|
Anti-heat transfer/anti-counterfeit label V20170420 |
|
||||
|
Comparison of two films 20170831 -
Stress-whitening, embossing and
shape memory |
|
||||
|
热驱动形状记忆效应和银纹 |
|
||||
|
Removal of stress whitening and shape recovery in a plastic film
(polarized video) |
|
||||
|
Comparison of shape recovery in 0.2 mm thick film using different molds
for embossing -
Shape memory effect in polymers
for anti-counterfeit applications |
|
||||
|
Recovery of impression atop plastic film upon heating |
|
||||
|
Structural coloring
and SME |
|
||||
|
Heating induced color
change in nano-structured PMMA film |
|
||||
|
Anti-heat transfer
label ABCD 4 concepts, 20140217 |
|
||||
|
Anti heat transfer
label _concept based on heat shrink |
|
||||
|
Integration of SME
with QR code 20160201 |
|
||||
|
Anti-heat transfer QR
code |
|
||||
|
Temperature sensor AB 2 concepts, 20140217 |
|
||||
|
Pattern change upon heating - FYP 2013/14 |
|
||||
|
Temperature memory
effect in rubber-like shape memory hybrid URECA 2013/14 |
|
||||
|
Shape memory anti
counterfeit label with a water mark Upon heating to 55oC, a water mark of 50
(mirror image) appears within the existing surface pattern. Further heating
to 90oC, all pattern
disappears. A 2014/2015 FYP
project. |
|
||||
|
3D finger
print： disappear upon heating |
|
||||
|
Finger print captured by elastic
shape memory hybrid and wax: a comparison |
1. Finger
prints are about the same 2. Finger
print capture: before wax solidification vs. body/room temperature of shape memory hybrid 3. Wax: normally
brittle vs this shape memory hybrid: highly elastic 4. Upon heating, wax
melts vs shape memory hybrid recovers its original shape |
|
|||
|
Break circuit when
over-heated based on the SME |
|
||||
|
Shape memory
anti-heat transfer hologram sticker Advantages: 1. Hologram sticker 2. Easy fracture upon
tearing 3. Cutting opening
upon heating |
|
||||
|
Anti-heat transfer
hologram sticker 20160926a testing |
|
||||
|
Heating laser anti
counterfeit paper Testing |
|
||||
|
Laser label Testing |
|
||||
|
Anti-heat transfer
hologram sticker 20160928E |
|
||||
|
Anti-counterfeit
hologram sticker: cracked upon heating |
|
||||
|
Shape memory hologram
label 20170822 |
|
||||
|
Testing shape memory
effect in holograph paper |
|
||||
|
Removal of impression
atop coffee bag upon heating (comparison) |
|
||||
|
High temperature shape memory anti-counterfeit film |
|
||||
|
High temperature
anti-counterfeit sticker |
|
||||
|
High temperature
anti-counterfeit sticker (lighter version) |
|
||||
|
Cracking and debonding
upon heating |
|
||||
|
Heating to remove
watermark |
|
||||
|
Shape memory effect based temperature/anti-counterfeit labels and
elastic/stretchable RFID 基于形状记忆效应的温度/防伪标签及弹性/可拉伸RFID |
|
||||
|
|
|
||||
|
|
|
||||
Insects |
|
||||
|
Damesfly (high speed camera) Mode A |
|
||||
|
Damesfly (high speed camera) Mode B |
|
||||
|
Dragonfly (high speed camera) Mode A |
http://www.youtube.com/watch?v=Nw_FD4yIwa4 Reference(s): Chen et al, Kinematics of
dragonfly (sympetrum flaveolum) flight, 6th
World Congress of Biomechanics, Singapore, 1-6 August 2010, in IFMBE Proceedings (CT
Lim and JCH Goh eds.) Vol. 31, pp 56-59, 2010. |
|
|||
|
Dragonfly (high speed camera) Mode B |
http://www.youtube.com/watch?v=QthIIWqtT9Q Reference(s): Chen et al, Kinematics of
dragonfly (sympetrum flaveolum) flight, 6th
World Congress of Biomechanics, Singapore, 1-6 August 2010, in IFMBE Proceedings (CT
Lim and JCH Goh eds.) Vol. 31, pp 56-59, 2010. |
|
|||
|
|
|
|
|||
|
|
|
|
|||
Retractable/deployable structures |
|
||||
|
Retractable roof A |
|
||||
|
Retractable roof B1 |
|
||||
|
Retractable roof B2 |
|
||||
|
Elastic Geodesic Grids
202211: from concept to 3D printed single piece |
|
||||
|
Unfolding of mechanical
hinge with minimal impact -
Heating for activation (real
time video) |
|
||||
|
Deployment of elastic hinge
in hot water |
|
||||
|
Unfolding of elastic hinge
for minimum impact (2nd version) |
|
||||
|
Slow deployment of elastic
hinge in 70 Deg C oven (speed: 8x) |
|
||||
|
Controlled deployment of
elastic hinge based on the shear-thickening effect |
|
||||
|
Controlled unfolding of
elastic hinges 2021/2022 A |
|
||||
|
Controlled unfolding of
elastic hinges (hairdryer heating) |
|
||||
|
|
|
|
|||
|
Rigid temporary shelter (deployment) |
|
||||
|
Rigid temporary shelter (folding) |
|
||||
|
Retractable roof
(summary) |
|
||||
|
Compliant bistable
TPU structure A 2013/14 FYP project |
|
||||
|
From bistable to compliant mechanism to 4D printing (2015.11.05) |
|
||||
|
Bistable structure: from pin-jointed to hingeless |
|
||||
|
Structure with triple stable positions |
|
||||
|
Instant switching between tension and compression springs using the
shape memory effect |
|
||||
|
Rapid switching between hard and soft in bi-stable structure |
|
||||
|
Rapid switching in stiffness |
|
||||
|
Asymmetric response to tension/compression through structural design |
|
|
|||
|
|
|
|
|||
Hydrogels |
|
|
|
Hydrogel expansion |
|
|
|
Hydrogel in straw |
http://www.youtube.com/watch?v=T9Vdkm2PjH0 Reference(s): Sun et al, Wet
to shrink: an approach to realize negative expansion upon wetting, Advanced Composite Materials, Vol. 18, No. 2, 2009, pp 95-103 |
|
|
Dry hydrogel in water |
|
|
|
Hydrogels wetted
in water for different period of time |
|
|
|
Water wetting induced
temporary surface wrinkling |
|
|
|
Water induced temporary
wrinkling atop hydrogel |
|
|
|
Water drops on hydrogel |
|
|
|
Tough hydrogel wetted by
water droplet - Evolution of surface morphology |
|
|
|
Wet twice tough hydrogel by
water droplet - Evolution of surface morphology |
|
|
|
An introduction to shape
memory/change effect in hydrogel |
|
|
|
Redox glue thin film wetted
by water droplet - Observation under microscope |
|
|
|
Water droplet on marker pen
painted dry PVA glue film (8x) |
|
|
|
Water droplet on marker pen
marked dry PVA glue film |
|
|
|
Hydrogel wetted inside
straw |
|
|
|
Separation of dry-bond hydrogel pieces by water |
|
|
|
Wetting flattened dry hydrogel tube by water
droplet -
real time video |
|
|
|
Shape recovery of dry hydrogel by water droplet |
|
|
|
Wetting pre-bent dry hydrogel atop wet hydrogel |
|
|
|
Disassembly of hydrogel in hot water |
|
|
|
Active disassembly of hydrogel in water |
|
|
|
Wetting in water for disassembly -
2014/15 FYP |
|
|
|
Active dis-assembly in room temperature water -
2014/15 FYP |
http://youtu.be/uH6Vra3ThFQ |
|
|
Active dis-assembly in 80oC water -
2014/15 FYP |
http://youtu.be/FjhrYF2iL9k |
|
|
Dancing upon wetting - Hydrogel changes shape upon wetting by water
droplet |
|
|
|
Wetting (gradient) hydrogel strip by water droplet |
|
|
|
Wetting (gradient) hydrogel thin wire by water |
|
|
|
Water induced shape change in dual-layered
hydrogel strip |
|
|
|
Water induced shape change in dual-layered
hydrogel II |
|
|
|
Gradient hydrogel thin film in wetting/drying
cycling |
|
|
|
Wetting 0.4 mm thick dry hydrogel by water/droplet |
|
|
|
0.4 mm thick gradient hydrogel (one set) wetted by
water/droplet - A full set of experiment |
|
|
|
|
|
|
|
Wetting gradient hydrogel strip in water - 0.8 mm |
|
|
|
0.8 mm gradient hydrogel strip wetting/drying - one wetting/drying cycle |
|
|
|
0.8 mm gradient hydrogel strip wetting/drying - Repeat test |
|
|
|
Wetting/drying 0.8 mm thick gradient hydrogel wide
strip |
|
|
|
Place one water droplet on 0.8 mm thick gradient
hydrogel - two tests |
|
|
|
Water droplet on hydrogels (simulation) |
|
|
|
Wetting pre-stretched tough hydrogel in water |
|
|
|
Partial wetting and then drying toughgel |
|
|
|
Wetting hydrogel-PEG hybrid by one water droplet |
|
|
|
Water content dependent response
of redox glue |
|
|
|
SME in a stretchable hydrogel 20161125 -
Heat/water-responsive shape
memory effect, water-content dependent |
|
|
|
Heat induced SME in a stretchable hydrogel -
Programming by stretching |
|
|
|
Heating/water-responsive SME in cross linked P407 |
|
|
|
Structural coloring in hydrogel |
|
|
|
PVA glue + ... for structural coloring |
|
|
|
|
|
|
|
|
|
|
|
Electroactive gel |
|
|
|
Electro-active gel 201606 Ø Less than 15 V for
activation |
|
|
|
Low voltage activated electroactive ionic gel
(20161108) -
2 x 1.5 V batteries |
|
|
|
Low voltage (9 V) activated electroactive ionic
gel -
20161110 |
|
|
|
|
|
|
|
|
|
|
Morphing |
|
|
|
Reversible Dimple |
|
|
|
Morphing wing (prototype) |
|
|
|
Morphing wing I |
|
|
|
Flexible skin |
|
|
|
Elastic sponge coated
with a thin layer of TPU |
|
|
|
|
|
|
|
Devices for touch screen |
|
|
|
Button for gloves for all
types of touch screen devices URECA 2012/13 |
Instead of buying a special glove, now you can enjoy playing
touch screen devices in cold days when you are still
wearing your own glove. |
|
|
Touch screen tool for long
time playing games URECA 2012/13 |
You may get fingers tired after playing
with touch screen devices for too long. Now there is a simple to help you to
play games forever without fingers FIXED. |
|
|
Tip for touch screen
(Version II) URECA 2013-14 |
|
|
|
Snap fastener and finger
protector for touch screens -
Dec 2015
(part-time FYP) |
|
|
|
Turn normal glove into touch
screen glove |
|
|
|
|
|
|
|
Buttons-on-demand |
|
|
|
Buttons
are defined in your own way |
|
|
|
Buttons
on demand: conceptual design and testing prototype |
|
|
|
Buttons-on-demand (individuals) |
|
|
|
Buttons on demand: testing
of prototypes |
|
|
|
|
|
|
|
Interesting technologies |
|
|
|
Stress whitening in dots produced by indentation - Stress whitening and removal - Observation under a microscope |
|
|
|
Stress whitening of write-on transparency in
bending and removal |
|
|
|
Stress-whitening via bending |
|
|
|
Manual folding/ heating partial unfolding of transparent film |
|
|
|
Lenticular lens FYP 2013/14 |
|
|
|
Lenticular lens effect A |
http://www.youtube.com/watch?v=39uK6VpWcAY |
|
|
Effect of lenticular lens B |
|
|
|
Lenticular lens atop lenticular lens |
|
|
|
Effect of lenticular lens C FYP 2013/14 |
|
|
|
Flexible and stretchable lenticular lens FYP 2013/14 |
|
|
|
Effect of lenticular
lens D -
Rotation of lines upon heating FYP 2013/14 |
|
|
|
Heating to alter
surface pattern -
Possible applications: temperature sensor, anti-heat transfer label |
|
|
|
Disappearance of
lenticular lens upon heating -
Possible applications: temperature sensor, anti-heat transfer label |
|
|
|
Heating for Moire
effect via lenticular lens sheet -
Potential application: anti-heat transfer label |
|
|
|
DIYed lenticular
lens: right atop monitor |
|
|
|
Patterning
(interference) (20211124) |
|
|
|
Effect of lenticular
lens E FYP 2013/14 |
|
|
|
Moire pattern A FYP 2013/14 |
http://youtu.be/8PUn-fCQx9Y |
|
|
Moire pattern 20150404a A 2014/2015 FYP |
|
|
|
Line lens interference -
two patterns |
|
|
|
Line lens interference |
|
|
|
Circular line lens interference |
|
|
|
Circular line interference |
|
|
|
Lines interference 20150407a |
|
|
|
Simulation of Moire interference |
|
|
|
Moire: testing of resolution |
|
|
|
Testing of Moire effect 20160331 |
|
|
|
Moire-size effect (Mi6 version) |
|
|
|
Comparison of surface patterned vitrimer stretched under different
conditions -
Interference, photo-elasticity,
and coloring effect |
|
|
|
Photoelastic phenomenon in
PC |
|
|
|
Room temperature stretching
of PC (photoelasticity) |
|
|
|
Stress concentration
observed via photoelasticity -
Equipment： computer screen, polarized sunglass,
transparent polymer |
|
|
|
Observation of internal
stress in water bottle based on photoelasticity |
|
|
|
Photoelasticity in EVA FYP 2013/14 |
|
|
|
Bistable structures
(photoelasticity) |
|
|
|
To spot "invisible" using polarizing filter |
|
|
|
Nano imprinted thin film under polarized light -
Between PC monitor and
polarized filter |
|
|
|
Nano-imprinted thin film
(transparency) |
|
|
|
3D with naked eyes - Exercise for fun |
|
|
|
3D cat -
Just for
fun |
|
|
|
3D effect of flying bird -
3D effect
(exercise) |
|
|
|
Testing of 3D effect -
Just for
fun. |
|
|
|
Testing 3D effect based on
light field (Lytro) photos |
|
|
|
Healing cutting by water
droplet -
A single
water droplet to heal a cutting line produced by a sharp blade. |
|
|
|
Wetting by water to remove
scratches |
|
|
|
|
|
|
|
3D/4D printing |
|
|
|
3D printing |
|
|
|
3D printing 12 years: a
zodiac sign |
|
|
|
Comparison of three types of
3D printing PLA filaments |
|
|
|
3D Printed Jobs |
|
|
|
Light angle effect on 3D printed RFID surface |
|
|
|
Whitening of Eiffel tower -
3D printed, change color upon heating |
|
|
|
201505 3D printed Steve Jobs -
A 14/15 FYP project |
|
|
|
From 2D image to 3D printed card |
http://www.youtube.com/watch?v=zUB5qNOk7oo |
|
|
SME in PLA Chinese characteristics |
|
|
|
SME in 3D printed silk PLA |
|
|
|
The SME in 3D printing color change filament |
|
|
|
Magic word by 3D printing |
|
|
|
3D printed elastic shape memory "monkey" -
4D printing J |
|
|
|
4D printed Ox head: Happy Ox year |
|
|
|
SME in 3D printed PLA in shape memory cycling |
|
|
|
3D printed bistable compliant mechanism |
|
|
|
3D printed bistable compliant mechanism -A 1st year project
2013/14 |
|
|
|
Active disassembly of 3D printed PLA mobile phone case - Proof of concept FYP 2013/14 |
|
|
|
3D printed PLA staples with self tightening function - Proof of concept FYP 2013/14 |
|
|
|
3D printed flexible snake |
|
|
|
Shape memory effect in 3D printed PLA snake |
|
|
|
Comparison of 3D printed snakes using two filaments -
PLA and flexible filaments |
|
|
|
3D printed highly elastic shape memory snake |
|
|
|
Folding unfolding of 3D printed structure - A year 1 project
2013/14 |
|
|
|
From wheel to flower - A year 1 project 2013/14 |
|
|
|
Morphing - A year 1 project 2013/14 |
|
|
|
Shape memory effect in 3D printed heart shaped PLA |
|
|
|
Testing the shape memory effect in 3D printed PLA spring (I) |
|
|
|
Testing the shape memory effect in 3D printed PLA spring (II) |
|
|
|
3D printed magic cup -A year 1 project
2013/14 |
|
|
|
SME in 3D printed glasses frame via DLP |
|
|
|
From 3D to 4D printing:
techniques and demonstration |
|
|
|
Testing of
heating-responsive shape memory effect in 3D printed PLA |
|
|
|
3D printed compliant
structure (nylon: Esun) |
|
|
|
Rapid/slow recovery or
bistable structure: temperature and viscoelasticity dependent |
|
|
|
3D printed compliant
structure switchable between 2D and 3D |
|
|
|
2D to 3D shape switching
20211125 |
|
|
|
Unfolding 3D printed 4D gift
card Steve Jobs - Heating using a hair drier to unfold a
3D printed gift card |
|
|
|
Shape memory effect, bistable structure, compliant mechanism and 3D/4D printing - a 2014 FYP @ MAE/NTU |
|
|
|
4D printing? 3D printed compliant mechanisms -
Elastic shape
recovery/bistable |
|
|
|
3D printed bistable compliant mechanism -
A part
time FYP @MAE/NTU, 2015.11.04 |
|
|
|
Animation of shape switching |
|
|
|
Shape memory hybrid structure |
|
|
|
Convert 3D printed structure from bistable to single-stable |
|
|
|
A FDM printed shape memory structure |
|
|
|
Shape memory structure (unit study) |
|
|
|
Shape memory structures 20240926 |
|
|
|
Shape memory structures 202040927 |
|
|
|
Structural coloring in 3D printing |
|
|
|
3D printed structural coloring |
|
|
|
20240909 watch band (FDM printed with coloring effect) |
|
|
|
Watch band printed with structural coloring effect (20241004) |
|
|
|
Watch band by FDM 20241030 |
|
|
|
Structural coloring 20241028a |
|
|
|
3D printed holographic shape memory snake |
|
|
|
FDM printed snake: testing shape memory effect 20241112a |
|
|
|
FDM: brittle after a couple of years |
|
|
|
Influence of size and infill on stability (printed some days
ago) |
|
|
|
FDM printed bistable structures: size and infill dependent
stability |
|
|
|
FDM printed PLA, after a couple of year:
shape memory effect and brittleness |
|
|
|
From bi-stable to multiple stable, from pin jointed to 3D
printed: controlled switching |
|
|
|
2D to 3D via 3D printed multiple stable structures |
|
|
|
Multiple stable structure 20240413 |
|
|
|
Controlled sequence in shape recovery |
|
|
|
3D printed 2D to 3D switchable bi-stable structure
(proof-of-concept) |
|
|
|
Bi-stable or slow recovery of FDM printed structures |
|
|
|
Shape switching: from 2D to 3D (3D
printed) |
|
|
|
Shape memory effect in 3D printed PLA structure |
|
|
|
2D to 3D switching in FDM printed structures |
|
|
|
FDM printed structures: step-by-step shape switching |
|
|
|
Sequential shape switching: 2D/3D |
|
|
|
3x3 array with cover, 1 cycle |
|
|
|
3x3 w cover 3D view |
|
|
|
Symmetric multiple stable structures with controlled shape
recovery sequence |
|
|
|
FDM printed multiple stable structures |
|
|
|
Mechano/heating-responsive stepwise shape recovery |
|
|
|
Shape memory structure 20250407a |
|
|
|
Step-by-step shape recovery (20250428 3 cycles) |
|
|
|
Step-by-step shape recovery 20250428 2 cycles 4x |
|
|
|
Step-by-step shape recovery @room
temperature |
|
|
|
Step by step recovery 20250408 |
|
|
|
Sequentially programmed shape recovery in 3D printed structures |
|
|
|
Influence of pre-cooling |
|
|
|
|
|
|
|
3D printed mask holder for comfort fitting |
|
|
|
4D printing: body
temperature comfort fitting mask holder from 2D to 3D mask holder |
|
|
|
3D printed thermochromic mask holder: testing of color
change |
|
|
|
Comfort fitting mask holder
(V20200707) |
|
|
|
Rapid comfort fitting mask holder: testing of recovery |
|
|
|
3D printed rapid comfort fitting shape memory mask holder
(I) |
|
|
|
3D printed rapid comfort fitting shape memory mask holder
(II) |
|
|
|
Comfort fitting wrist ring |
|
|
|
Comfort fitting invisible
mask (concept) |
|
|
|
Comfort fitting
invisible mask: approaches |
|
|
|
Comfort fitting
invisible mask |
|
|
|
My
own mask for selfie |
|
|
|
Testing
of N95 mask (20200822a) |
|
|
|
Fabric
mask: sublimation printed with real face |
|
|
|
|
|
|
|
3D printed X47B with morphing wings V1 -
Using nitinol to activate
bistable structure |
|
|
|
Heating induced shape switching in
bistable morphing wings -
Part of a part-time FYP
project |
|
|
|
3D printed morphing wings |
|
|
|
3D printed multiple-stable compliant structures (Jan 2016) |
|
|
|
Programmed folding/unfolding of a 3D printed multiple-stable
structure -
Folding/unfolding is fully
repeatable and follows a predetermined sequence. -
No "programming"
is required. |
|
|
|
Programmed folding/unfolding of 3D printed multiple stable
structure -
Comparison of simulation and
experiment |
|
|
|
Comparison of different buckling modes in 3D printed multiple
stable structures |
|
|
|
Programmed reversible motion in a 3D printed compliant
multi-stable structure |
|
|
|
Sequential folding/unfolding of 3D printed multiple stable
compliant structure 20160903 -
Testing result |
|
|
|
Programmed folding/unfolding by design in 3D printed multiple
stable compliant structures -
Comparison of two designs |
|
|
|
Programmed folding/unfolding of 3D printed compliant structure Experimental vs. simulation |
|
|
|
Programmed folding/unfolding of 3D printed structure
with/without modification |
|
|
|
Stepwise recovery at room temperature |
|
|
|
3D printed structure for programmed folding/unfolding via
twisting -
20161024 |
|
|
|
3D printed structures with re-programmable motion sequence based
on the SME |
|
|
|
3D printed elastic mesh-ball with excellent shape memory effect
(v01) -
First successful one. |
|
|
|
Shape memory effect in 3D printed elastic mesh ball (2nd
version) |
|
|
|
Pour in hot water to see shape recovery in 3D printed cup and
spoon -
Cup and spoon have been
pre-deformed. |
|
|
|
SME in 3D printed items
using PLA, VeroWhite and SF resin |
|
|
|
Shape recovery in a 3D
printed sculpture |
|
|
|
3D printed morphing wheel
201602 |
|
|
|
3D printed
”products” 2017 |
|
|
|
Testing of 3D print pen
20160810 |
|
|
|
Rapid fitting shoes: concept
sketched by 3D print pen |
|
|
|
PU filament for 3D printing （characterization of SME） |
|
|
|
Shape memory polyurethane
filament from Dr Hayashi |
https://youtu.be/G3f8-lrAHjc |
|
|
Stretching of 3D printing
polyurethane to fracture at room temperature -
Including photoelasticity
test in the early loading stage |
|
|
|
Stretching of 3D printing polyurethane (zoom in view) -
Photoelasticity |
|
|
|
Softening of DLP printed
item after in room temperature water for one week (20211126) |
|
|
|
Heating/water-responsive
shape memory effect in DLP printed samples (Dec. 2021) |
|
|
|
SME in 3D printed PU octopus |
|
|
|
3D printed PU cup (morphing) |
|
|
|
Testing shape memory effect
in 3D printed PU octopus and cup -
Filament: 1.75 mm shape
memory PU |
|
|
|
3D printed shape memory
flexible cup |
|
|
|
3D printed flexible chicken |
|
|
|
3D printed color
change/shape morphing chicken I |
|
|
|
3D printed color
change/shape morphing chicken II |
|
|
|
Rapid reshape permanent
shape of 3D printed shape memory PLA spring -
Experimentally demonstrate
how to use hair dryer to reshape the permanent shape. |
|
|
|
Rapid switching between tensile spring and
compression spring -
3D printed spring, utilizing
the shape memory effect |
|
|
|
Testing of the SME in a 3D
printed elastic lattice structure |
|
|
|
Testing shape memory effect
in 3D printed elastic grid |
|
|
|
3D printed shape memory shoe -
Most likely
this is the 1st piece in the world. |
|
|
|
3D printed shape memory sole |
|
|
|
3D printed stretchable shape
memory insole (retesting after modification) |
|
|
|
Fully 3D printed flexible
shape memory shoe -
Limited by
the size of the printer, parts are printed and then assembled
together. |
|
|
|
3D printing assisted fashion
design |
|
|
|
3D printing assisted fashion
design 20230514 |
|
|
|
2D to 3D conversion via FDM
printing atop pre-stretched textile |
|
|
|
3D printed atop
pre-stretched spandex, followed by heating |
|
|
|
2D to 3D via 3D printing
atop pre-stretched spandex followed by heating |
|
|
|
Formation of 3D structures
via 3D printing atop prestretched elastic fabric |
|
|
|
|
|
|
|
Comparison of typical 3D
printing filaments
V. 20170525 -
Elasticity,
shape memory effect |
|
|
|
Testing the SME in TPE and
polyester filaments |
|
|
|
Testing units of 3D printed
2D structures using flexible filament -
Positive and negative
Poisson's ratio |
|
|
|
3D printed flexible shape
memory grid (with negative Poisson's ratio) |
|
|
|
Fabrication of cooling
responsive shape memory hydrogels via FDM: preliminary result |
|
|
|
Anisotropic shape memory
polymers: orientation dependent Tg |
|
|
|
|
|
|
|
Rapid 3D printing in solid
state -
For
additive manufacturing on space/air/sea missions |
|
|
|
Rapid Volumatic additive
manufacturing of cooling-responsive shape memory hydrogel in solid state Via dual-mask cross-linking
in solid state Preliminary experimental
result |
|
|
|
Rapid 3D printing in solid
state: illustration via dual-mask |
|
|
|
Animation of volumetric additive manufacturing in solid state |
|
|
|
Rapid 3D printing in solid
state: animation |
|
|
|
Digital manufacturing and 3D
printing (animation) |
|
|
|
快速固态增材制造202105 |
|
|
|
Rapid additive manufacturing
in solid state 202105 |
|
|
|
Demonstration of UV
cross-linking in solid state at room temperature of Vitrimer |
|
|
|
UV cross linking in the
solid state with random shaking |
|
|
|
Rapid UV cross-linking in
the solid state under random vibration (full version) |
|
|
|
Solid state dual UV beam X
linking 20230418 |
|
|
|
Solid state UV cross linking
20240618a |
|
|
|
Solid-state UV cross-linking, a DIY way for sculptures |
|
|
|
Heat in UV crosslinking of
liquid/solid resins 20250211 |
|
|
|
Heat generated upon UV
cross-linking: Esun UV resin+thermochromic crystal |
|
|
|
UV cross linking of solid
resin |
|
|
|
Hardcrafted sculptures
(20241020) |
|
|
|
DIY 2D foam sculpture via
solid state UV cross-linking (20241022) |
|
|
|
DIY 3D foam sculpture via
solid state UV cross-linking (20241018) |
|
|
|
Cost-effective and rapid 2D
additive manufacturing |
|
|
|
UV cross linking machine
(202404) |
|
|
|
UV cross-linking machine:
Operation |
|
|
|
In car 2D printing via solid
state cross-linking |
|
|
|
Solid X: 随时随地快速高精度3D打印 (202407) |
|
|
|
Solid X: Pioneer in
solid-state volumetric additive manufacturing |
|
|
Instruction |
|
|
|
Operating Hot Chamber with
Vibration system (the one in Mechanics of Materials Lab) |
|
|
|
Mold for sample preparation
by hot compression |
|
|
|
|
|
|
|
Fun |
|
|
|
Marina Bay, Singapore March 22, 2014 |
|
|
|
Shredding waste plastics |
|
|
|
Brick made of waste plastic + concrete |
|
|
|
Image |
|
|
|
Light interference:
Monitor/mobile phone -
The actual
effect depends on the setup of screen and camera and
many other facts. |
|
|
|
Interference in capturing image from screen using digital
camera |
|
|
|
MP4011 (2013) Design course:
video presentation - Video presentation of the designed products by individual
groups. Nov 2013 Sem I@MAE/NTU |
http://youtu.be/G2km8q20AT0 |
|
|
扑克游戏 -
见证奇迹 |
|
|
|
Is it magic? |
|
|
|
How could this be possible？ |
|
|
|
Color vision |
|
|
|
Size dependent visual
effects |
|
|
|
Illusion test I |
|
|
|
Light interference |
|
|
|
Testing: projection by lens -
Mirror
image |
|
|
|
Heating 3D card (lenticular
lens) |
|
|
|
Sponge containing capsule |
|
|
|
Water activated origami with
controllable unfolding speed |
|
|
|
Wetting of 3M biodegradable
sponge |
|
|
|
Wetting cleaning sponge
20170723 |
|
|
|
Wetting of artificial soil
sponge |
|
|
|
Germination 20170908 |
|
|
|
Penetration of root into
hydrogel |
|
|
|
Height adjustable high heel
via mobile phone (mechanical design V1) |
|
|
|
SMA activated height
adjustable high heel |
|
|
|
Height adjustable high heel
shoes (mechanical part) |
|
|
|
Adjustable high heel
20210225 |
|
|
|
Height adjustable high heel
(missing SMA to activate) |
|
|
|
High heel shoes with height
controlled by mobile phone (20210403) |
|
|
|
High heel shoes:
illustration of height controlled by mobile phone |
|
|
|
Height rapidly adjustable
high heel shoes 2021/2022 FYP |
|
|
|
|
|
|
|
Characterization of memory
foam |
|
|
|
PU hardened in room
temperature water in two minutes |
|
|
|
Rapid hardening in room
temperature water |
|
|
|
Rapid hardening of ethanol
softened hard PU foam in room temperature water |
|
|
|
Electrospun two layered PU:
rolling/twisting in ethanol and hardening in water |
|
|
|
Electrospun 3D fibers with
water hardening function for MIS |
|
|
|
|
|
|
|
Push to form a soft button |
|
|
|
Working mechanism of
self-lock switch |
|
|
|
Self lock on off button
20220129 |
|
|
|
|
|
|
|
Shape memory RFID |
|
|
|
Flexible/elastic shape
memory RFID/NFC |
|
|
|
Beyond flexible shape memory
RFID |
|
|
|
Elastic/stretchable embedded
electronic devices: simulation |
|
|
|
Stretchable electronics:
simulation (20211231) |
|
|
|
|
|
|
|
Heat shrink
tube (testing) |
|
|
|
Testing of heat shrink tube |
|
|
|
Testing of two water bottle
wrap labels |
|
|
|
Play with heat shrink film
20170720 |
|
|
|
Structural coloring in DVD
disk, insect and nano-imprinted PMMA film |
|
|
|
Strutural coloring in butterfly‘’s wings |
|
|
|
模型补土炫彩效果20250214a |
|
|
|
Mechanochromic tests -
Photoelasticity -
LCD |
|
|
|
Void paper and laser
anti-counterfeit paper |
|
|
|
Testing of laminated label |
|
|
|
Testing of a packaging tape |
|
|
|
Can your money shrink? |
|
|
|
How does money shrink? |
|
|
|
Happy monkey year -
3D printed
"monkey" with color change and shape change functions |
|
|
|
Happy monkey year (monkey face) -
3D printed bistable
compliant mechanism |
|
|
|
Shape switching
of 3D printed car logos |
|
|
|
3D printed Angry Bird (by SUTD) |
|
|
|
Transparent touch-sensitive cover |
|
|
|
See through upon stretching |
|
|
|
雾化透镜 |
|
|
|
滴水防伪 1 |
|
|
|
滴水防伪 2 |
|
|
|
Shoes, shoes 20160220 -
A
collection of some "new" shoes |
|
|
|
A collection of cups 201602 |
|
|
|
Chinese study -
Good luck |
|
|
|
关于颜色的问题 还记得「蓝黑裙」之争吗？最近社交网络上又为颜色问题争个面红耳热，今次的主角是一件外套。。。。 |
|
|
|
Size effect (panda) Vision test |
|
|
|
TPU and color change PLA/silicone |
|
|
|
Glue and styrofoam |
|
|
|
Dissolving of styrofoam in
acetone and superglue -
Real time
video |
|
|
|
One moment as an artist |
|
|
|
Testing of Styrofoam -
Dissolving
in acetone and subsequent heating-responsive SME |
|
|
|
Water
"dissolvable" packaging sponge |
|
|
|
Boiling water pouring into water bottle |
|
|
|
Sculpture: heat to appear |
|
|
|
Testing of optical property
of inner membrane of old i-phone |
|
|
|
我和美女有个约会 |
|
|
|
Scotchgard vs. silicone -Rapid reaction |
|
|
|
Scotchgard vs elastic
shape memory hybrid |
|
|
|
Size effect of silicone and
its composite in response to scotchgard |
|
|
|
Silicone in response to
acetone (one side wetting) |
|
|
|
Silicone in response to
Scotchgard (one side wetting) -
Including
its composite |
|
|
|
Insect? live? -
New species of insect? |
|
|
|
Magic paper: hates hot water |
|
|
|
How to make reversible
blossoms? |
|
|
|
Reversible blossoms based on
heating-induced shape change effect -
Material: polymeric membrane |
|
|
|
Heat-induced reversible
blossoms (polarized light/lens) -
Based on the
heating-responsive shape change effect in polymeric membrane |
|
|
|
Heating induced shape change
effect in wrap paper |
|
|
|
Photoelasticity test of
stretching plastic samples with different width |
|
|
|
Fixing fractured USB cable -
Comparison with using Sugru |
|
|
|
Non-fractured USB data cable |
|
|
|
Shape memory lead -
Proof of
concept |
|
|
|
Brittle to ductile
transition of PMMA (acrylic) via high temperature stretching |
|
|
|
Necking and propagation in
polymeric material upon stretching |
|
|
|
Necking-propagation in
stretching of polymer -
Room temperature stretching,
optical vs. infrared videos. |
|
|
|
Patterned coloring via
stretching -
A new
technique for coloring |
|
|
|
Patterned coloring (opacity)
via stretching: infrared vs. optical videos |
|
|
|
Silver streak and stress
whitening |
|
|
|
PVC stretching at variable
strain rate (infrared) |
|
|
|
PVC stretching at variable
speed (single direction movement, infrared video) |
|
|
|
Stress induced
crystallization in TPU observed by optical and infrared lens -
Monitoring temperature increase during necking and propagation |
|
|
|
Stretching of vitrimer
polyurethane (normal and infrared lens) |
|
|
|
Photoelasticity and infrared
videos of stretching partially crystallized polyurethane |
|
|
|
Testing (photoelasticity) of
plastic bag |
|
|
|
Photo-elasticity in heating of pre-stretched plastic membrane |
|
|
|
Comparison of plastic
wrapper and TPU in stretching (polarized, optical and infrared) |
|
|
|
Seek thermal: testing |
|
|
|
Water-content dependent photo-elasticity in tough hydrogel |
|
|
|
Rapid swelling of hydrogel |
|
|
|
Acrylic (PMMA): after in
ethanol for years |
|
|
|
Toy based on Moire effect -
Light activated and pinching
activated (to avoid misuse) |
|
|
|
Wrinkling in elastic leg
support |
|
|
|
Buckling of bandage |
|
|
|
Goggles: from blur to clear,
a piece of tape away |
|
|
|
Repellent surface of moss |
|
|
|
Elastic shear thickening
material |
|
|
|
Testing shear thickening
material with a hammer |
|
|
|
Shear thinning vs shear
thickening |
|
|
|
Smash corn starch + water |
|
|
|
Seat belt (latch part)
modified with shear thickening material |
|
|
|
Shear thickening for seat
belt |
|
|
|
Testing of a shear
thickening material |
|
|
|
Self-healing of
shear-thickening material |
|
|
|
Shear thickening thermoset |
|
|
|
Testing of high temperature
shear-thickening material |
|
|
|
Transparent shear-thickening
hydrogel |
|
|
|
Water-responsive SME in uncross linked hydrogel Wet hydrogel has the shear-thickening effect, refer to https://www.youtube.com/watch?v=FDnx4rvI8LA After drying, it has both heating and water-responsive SME. This video is to demonstrate the latter. |
|
|
|
Heating-responsive uncross linked hydrogel Refer to https://www.youtube.com/watch?v=qKWvlD0yLlU&t=56s for water-responsive SMT |
|
|
|
Water activated SME in dry hydrogel -
Borax+gule+water for the
hydrogel used in this study |
|
|
|
硅胶+TPU样品制作 搅拌流程 |
|
|
|
|
|
|
|
Heating/cooling in air TPU embedded with thermochromic PLA
filament -
Real time
video |
|
|
|
Thermochromic elastomer |
|
|
|
Thermochromic elastomer
short version |
|
|
|
Thermochromic materials: reversible/irreversible |
|
|
|
Applications of thermochromic
materials: temperature indicator and anti-counterfeit label |
|
|
|
Comparison of two elastic
glasses frames: NiTi shape memory alloy and PEI |
|
|
|
DIY的上课三件套 |
|
|
|
Thermal ring |
|
|
|
UV activated reversible
photochrome: comparison of painting and film, and response speed |
|
|
|
Reshapable and removable “hyaluronic acid” for wrinkle removal:
proof of concept |
|
|
|
Electro-spinning |
|
|
|
Electrospinning (zoom-in view)电纺 |
|
|
|
Electrospinning电纺 |
|
|
|
Comparison of swab/ethanol induced recovery in electrospun PU |
|
|
|
Wetting by ethanol: two layered PU |
|
|
|
Shape recovery induced shrinkage (simulation) |
|
|
|
Shape recovery induced shrinkage in electrospun fiber (buckling
stage) |
|
|
|
|
|
|
|
Automatic braiding machine |
|
|
|
Lacis Cord Maker |
|
|
|
Laser engraving |
|
|
|
Joule heating LIG |
|
|
|
Laser induced graphene (LIG) |
|
|
|
Laser engraving |
|
|
|
|
|
|
|
4D Latte Art |
|
|
|
Kueh FanSi Recipe |
|
|
|
Unfolding of latte art membrane atop hot water 4D 拉花 |
|
|
|
Unfolding of latte art: comparison of using cold water and hot
water 4D 拉花 |
|
|
|
4D latte art: unfolding atop of water 4D 拉花 |
|
|
|
4D latte art: testing of printing -
Using selfie coffee printer 4D 拉花 |
|
|
|
4D Latte Art: testing of industrial food printer -
QR code can be read 4D 拉花 |
|
|
|
4D latte art: right on the way -
Examining the quality of
food printing on latte art film 4D 拉花 |
|
|
|
4D latte art: fly atop water |
|
|
|
4D拉花 Latte Art （V20191101） |
|
|
|
4D latte art/拉花：Flowers open（花开放） |
|
|
|
Murder in mug: 4D latte art |
|
|
|
4D latte art: testing of concepts (20200107) |
|
|
|
4D latte art: testing of concepts (short/music version) |
|
|
|
4D Latte art (20200114A) |
|
|
|
4D latte art: from concept to real food |
|
|
|
Water-responsive shape memory effect |
|
|
|
Latte art 20191204a |
|
|
|
Endless spinning |
|
|
|
Spinning 4D latte art |
|
|
|
4D latte art: cw/ccw spinnin +unfolding |
|
|
|
4D latte art (updated on 20210429) |
|
|
|
(4D latte art) 驿动的心：动还是不动 |
|
|
|
4D latte art: rotation in duet dance |
|
|
|
4D latte art (20210726) |
|
|
|
4D latte art (20210811) |
|
|
|
Latte art:
folding/unfolding (triangle) |
|
|
|
4D latte art
(20220421): including forming dome shape |
|
|
|
Drawing atop food
grade membrane by laser engraving |
|
|
|
4D latte art
(simulation) |
|
|
|
|
|
|
|
Coloring in front of monitor |
|
|
|
Coloring in front of monitor -
Rotating a piece of thin
film atop monitor to show pattern/color change |
|
|
|
Structural coloring -
Powder in PDMS (after
curing, after mixing) |
|
|
|
自制口罩扣松紧器 |
|
|
|
Influence of cross linking on polymers |
|
|
|
Glass transition temperature |
|
|
|
Unlock your phone without your finger: skin-like material to
replicate exact finger print |
|
|
|
Unlocking using rapidly duplicated 3D finger
print（用快速复制的3D指纹解码） |
|
|
|
|
|
|
|
Alcohol activated self-tightening band
aid |
||
|
Alcohol induced rapid shrinkage |
|
|
|
Skin cleaning alcohol activated
self-tightening band aid (i): proof-of-concept |
|
|
|
Skin cleaning alcohol activated self-tightening band aid (ii): chicken
leg test |
|
|
|
Skin cleaning alcohol activated self-tightening band aid (iii): water proof test |
|
|
|
Skin cleaning alcohol activated self-tightening band aid (iv):
one-day human test |
|
|
|
Alcohol gel activated shrinkage in band aid |
|
|
|
|
|
|
|
Fitting |
|
|
|
Fitting using solidworks |
|
|
|
Vertical gardening |
|
|
|
Vertical gardening: green wall using high
strength/low density artificial soil sponge |
|
|
|
Vertical gardening using artificial soil foam |
|
|
|
New artificial soil:新型仿土海绵 |
|
|
|
Foam soil (20221016) |
|
|
|
采用新一代基质的盆景：即将淘宝上市 |
|
|
|
A new generation of artificial soil 20221203 |
|
|
|
|
|
|
|
Vertical greening wall panel |
|
|
|
Comparison of a few types of artificial
soil 几款仿土海绵对比（长期试验） |
|
|
|
Highly elastic artificial foam soil (高弹性仿土海绵) |
|
|
|
Soilless Bonsai 202301 |
|
|
|
新一代仿土基质：4Mgrow(植穰)
20231011 |
|
|
|
4mGro(4m植穰)操作演示 |
|
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手工制备彩色仿土基质 |
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径下村仿土绿墙项目（20240322） |
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Water on-demand irrigation system for vertical
gardening |
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4mGro: Colorful artificial soil/0ffice bonsai
20241118 |
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Desktop hydrogel small bonsai |
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Green Wall system 20250210 |
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FEM simulation of shape memory effect: Zigzag pattern |
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Ansys simulation of 2D to 3D |
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Ansys simulation: 2D to 3D (3D view of resulted structure) |
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Combination of bending and wrinkling |
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Simulation of starch membrane wetting from bottom |
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Simulation of water droplet placed atop dry hydrogel |
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Wrinkle pattern switching in thin elastic membrane atop
soft substrate upon compression |
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Wrinkling and pattern switching upon compression
(Simulation II) |
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2 ways of shrinkage fun |
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Simulation of leaves |
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SME in bistable structure |
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Simulation of room temperature bending and then heating for
shape recovery |
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Simulation of twisting at room temperature and then heating
for shape recovery |
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Simulation of SME (room temperature programming using
softening model) |
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Thermo-responsive shape memory effect (room Temp. bending) [expansion/shrinkage model] |
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DIY customized earphone: proof-of-concept |
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Comfort fitting ear phones: Type I |
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Comfort fitting ear phones: Type
II |
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Powerless cooling 20250508 |
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Cycling jersey with directional indicators |
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Dislocation at um scale? |
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