形状记忆聚合物的本构关系对于其结构设计和力学行为的预报具有重要意义,但是目前对形状记忆聚合物本构模型的研究仍相对不多。文中通过回顾十几年来国内外对热驱动形状记忆聚合物本构模型研究的发展动态,归纳了形状记忆聚合物本构的建模方法与思想,按照流变学方法、细观力学方法以及二者相结合的方法分别加以介绍和评述,并对形状记忆聚合物本构建模今后可能面临解决的关键问题进行了预测。
The constitutive relationship of shape memory polymer （SMP） is significant in the application of structural design and prediction on mechanical behavior, but the investigation on the constitutive model of SMP is still insufficient. In this paper, the development of constitutive model of thermally actuated shape memory polymers in recent decades is reviewed. According to the introduction and discussion of rheological method, the micromechanics method and the combing method based on above two methods, the ideas and methods of the SMP constitutive modeling are summarized. Furthermore, the critical issues of the constitutive modeling of shape memory polymers may be confronted in the future that are predicted.
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