
Fabrication and characterization of shape memory composite with layer by layer method
Junpeng GAO, Shicai JIANG, Tingting WANG, XU Hu, Baoyan ZHANG
Fabrication and characterization of shape memory composite with layer by layer method
Due to the its appropriate glass transition temperature(T g), a kind of carbon reinforced carbon-reinforced composite with exhibiting a shape memory effect is successfully fabricated using a layer-by-layer method. A thermoplastic polymer with a relatively low T g served as the switching phase, while a cured epoxy with a relatively high T g functioned as the permanent phase. The shape memory composite is then molded using an autoclave. The results demonstrate that the composites exhibit a high shape memory effect, with shape retention rates ranging from 90% to 95% and a shape recovery rate of 95%. By leveraging the high design properties of composites, two types of materials are combined to create a novel composite with a shape memory effect.
shape memory / composite / glass transition temperature / deformation / recovery
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