Shape recovery properties of shape memory polymer tube under torsion deformation

Abstract eng:
As a kind of stimulus-responsive materials, shape memory polymers (SMP) has attracted more and more researchers and the application fields for SMPs have covered widely ranges from aerospace to biomedicine engineering, due to the unique advantages of high shape deformation and recovery ability, good biocompatible and biodegradation, low cost, etc. In the paper, a kind of SMP tubes under torsion deformation are designed firstly; after that, the finite element method (FEM) is applied to simulate the shape memory process of SMP tube under torsion deformation, the shape recovery process is demonstrated, the shape recovery properties are characterized to show the good shape fixity and shape recovery ability. The results from FEM can provide some guide for fabrication and deformation of SMP tube.

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