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Stretch-Activated Reprogrammable Shape-Morphing Composite Elastomers
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DOI：10.1002/adfm.202203308.png)
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Abstract
En 中文
A stretched elastomer film generally will recover its original flat shape after releasing the applied force due to elasticity. Here, stretch-activated flat-to-3D shape-morphing composite elastomers by local mismatches of elasticity and plasticity, is reported. The elasticity/plasticity in a flat conventional elastomer film is spatially regulated by local swelling of a melted small molecule which is crystallizable at room temperature. Being released from a stretch, the patterned flat composite elastomer films transform into preset complex 3D shapes. Importantly, the shape-morphing is reversible, reprogrammable, and predictable, which provides a versatile and sustainable platform for the design of soft morphing devices.
Keywords:
elasticity
elastomers
mechanical behaviors
shape-morphing
soft devices
Journal
IF:
19
Papers:
3.4W
Citations:
32.1W