Influence of structural relaxation on thermomechanical and shape memory performances of amorphous polymers

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• 作者：Ming Lei^a ; ^c ; Kai Yu^b ; ^c ; Haibao Lu^a ; ^{luhb@hit.edu.cn} ; H. Jerry Qi^c ; ^{qih@me.gatech.edu}
• 关键词：Shape memory polymers ; Shape memory behaviors ; Structural relaxation ; Active polymers ; Morphing structures
• 刊名：Polymer
• 出版年：2017
• 出版时间：27 January 2017
• 年：2017
• 卷：109
• 期：Complete
• 页码：216-228
• 全文大小：3471 K
• 卷排序：109

文摘

Stress relaxation time depends on temperature structural state of a polymer. Structural relaxation is the main reason for the hysteresis loops in DMA tests. The TTSP shift factor is modified to depend on temperature and time. Temperature-rate dependent thermomechanical and shape memory behaviors are modeled.