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Mechanisms of the multi-shape memory effect and temperature memory effect in shape memory polymers
Soft Matter, 2010As recently demonstrated, after programming, thermo-responsive shape memorypolymers can exhibit the multi-shape memory effect (SME) upon heating. In addition, it is confirmed that the temperature corresponding to the maximum recovery stress in constrained recovery is roughly the temperature at which pre-deformation is conducted, a phenomenon known as ...
Li Sun, Wei Min Huang
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Journal of Alloys and Compounds, 2019
The microstructure and the shape memory effect of Cu-13.0Al-4.0Ni high temperature shape memory alloys doped with different contents of boron (0.25 wt%, 0.5 wt%, 1.0 wt%, and 2.0 wt%) were studied in this paper.
Xin Zhang +5 more
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The microstructure and the shape memory effect of Cu-13.0Al-4.0Ni high temperature shape memory alloys doped with different contents of boron (0.25 wt%, 0.5 wt%, 1.0 wt%, and 2.0 wt%) were studied in this paper.
Xin Zhang +5 more
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, 2020
Superhydrophobic surface with tunable water adhesion has attracted great interests due to its unique performances in manipulating the status of water stay and roll-off.
Y. Shao +7 more
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Superhydrophobic surface with tunable water adhesion has attracted great interests due to its unique performances in manipulating the status of water stay and roll-off.
Y. Shao +7 more
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Optimization of the shape memory effect in shape memory polymers
Journal of Polymer Science Part A: Polymer Chemistry, 2011AbstractIn this article, we show that given a thermoresponsive shape memory polymer, it is possible to alter a number of its properties, such as the recovery temperature, shape fixity ratio, maximum recovery stress, and final recovery stress (and even a right combination of some of them, e.g., the maximum recovery stress and final recovery stress ...
L. Sun +5 more
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2004
Understanding shape memory requires a thermodynamic approach that takes into account the structure of the solid and the mechanical properties resulting from it. For this reason, the crystallographic and thermodynamic aspects of shape memory effects will be discussed below to the extent to which they are relevant to the development of microactuators ...
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Understanding shape memory requires a thermodynamic approach that takes into account the structure of the solid and the mechanical properties resulting from it. For this reason, the crystallographic and thermodynamic aspects of shape memory effects will be discussed below to the extent to which they are relevant to the development of microactuators ...
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Solvent-driven temperature memory and multiple shape memory effects
Soft Matter, 2015Programmed Nafion specimens can achieve multi-staged shape recovery in multiple solvents.
Rui, Xiao +3 more
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Tunable polymer multi-shape memory effect
Nature, 2010Shape memory polymers are materials that can memorize temporary shapes and revert to their permanent shape upon exposure to an external stimulus such as heat, light, moisture or magnetic field. Such properties have enabled a variety of applications including deployable space structures, biomedical devices, adaptive optical devices, smart dry adhesives ...
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Journal of Materials Chemistry B, 2015
This paper describes a new kind of zwitterionic copolymer having a multi-shape memory effect and a moisture-sensitive shape memory effect from DMAPS and acrylic acid (AA). In addition to dual-SME, the copolymer also shows triple-SME and quadruple-shape-memory effect.
Shaojun, Chen +5 more
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This paper describes a new kind of zwitterionic copolymer having a multi-shape memory effect and a moisture-sensitive shape memory effect from DMAPS and acrylic acid (AA). In addition to dual-SME, the copolymer also shows triple-SME and quadruple-shape-memory effect.
Shaojun, Chen +5 more
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Large tunable elastocaloric effect in additively manufactured Ni–Ti shape memory alloys
, 2020High-efficiency elastocaloric refrigeration requires high-performance elastocaloric materials with both large surface areas to promote heat exchange rate and large elastocaloric effects to increase the amount of heat transfer.
Yuxian Cao +11 more
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