Modeling the shape memory effect of shape memory polymer

Bo Zhou; Yanju Liu; Jin-Song Leng

doi:10.1117/12.837350

20 October 2009 Modeling the shape memory effect of shape memory polymer

Bo Zhou, Yanju Liu, Jin-Song Leng

Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 749340 (2009) https://doi.org/10.1117/12.837350
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China

Abstract

Dynamic mechanical analysis (DMA) tests are conducted on the styrene-based shape memory polymer (SMP) to investigate its state transition behaviors. Tensile tests at various constant temperatures are carried out to reveal the stressstrain- temperature relationship of the styrene-based SMP. A new mechanical constitutive equation is developed to describe the stress-strain-temperature relationship of the styrene-based SMP. Numerical calculations illustrate the proposed theory well describes the thermo-mechanical cycle of shape memory of styrene-based SMP, such as deformation at high temperature, shape fixity, unloading at low temperature and shape recovery.

Citation Download Citation

Bo Zhou, Yanju Liu, and Jin-Song Leng "Modeling the shape memory effect of shape memory polymer", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 749340 (20 October 2009); https://doi.org/10.1117/12.837350

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