Thermomechanical Constitutive Modeling of Shape Memory Polymers

Document Type

Article

Publication Date

1-1-2022

Abstract

Shape memory polymer (SMP) is a branch of polymeric smart material that possesses excellent programmable thermomechanical properties. In order to design and develop new SMP materials, it is essential to understand their constitutive behaviors. In this chapter, we summarize four main types of thermomechanical constitutive models for SMPs, i.e., rheological models, storage strain-based phase transition models, multi-branch models based on representative unit cell of SMP network, viscoelasticity and viscoplasticity based models, and other models. By reviewing the classical constitutive models and the most recently developed models, we hope that readers can understand the advantages and limitations for every type of models, their history, as well as new directions for constitutive models. It is hoped that this chapter can serve as a useful tool for scientists and engineers interested in this field of study.

Publication Source (Journal or Book title)

Encyclopedia of Materials: Plastics and Polymers

First Page

427

Last Page

450

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