Study on shape recovery speed of SMP, SMP composite, and SMP foam

Xuelian Wu; Yanju Liu; Jinsong Leng D.D.S.

doi:10.1117/12.775955

26 March 2008 Study on shape recovery speed of SMP, SMP composite, and SMP foam

Xuelian Wu, Yanju Liu, Jinsong Leng D.D.S.

Proceedings Volume 6931, Nanosensors and Microsensors for Bio-Systems 2008; 69310D (2008) https://doi.org/10.1117/12.775955
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

Shape memory polymer (SMP) receives increasing attention along with its derivants - SMP composite and SMP foam in recent years. In this paper, after fabricating thermoset styrene-based SMP, SMP/carbon black (CB) composite and SMP foam, we studied their shape recovery speed in bending. Different from those reported in the literature, we propose a new approach, i.e., using infrared light, for actuating SMP materials for shape recovery. The results show that SMP, SMP/CB composite and SMP foam can recover to their original shape perfectly in a wide temperature range. Shape recovery speed of SMP composite is not uniform during the overall recovery process, and it is the same trend with SMP but not prominent with SMP foam. Repeatability of shape recovery speed for styrene-based SMP and SMP/CB composite are similarly stable and the former is the better, but it is so worse for SMP foam. Temperature-dependent of shape recovery speed test for styrene-based SMP and SMP/CB composite reveal that higher temperature increases their shape recovery speed.

Citation Download Citation

Xuelian Wu, Yanju Liu, and Jinsong Leng D.D.S. "Study on shape recovery speed of SMP, SMP composite, and SMP foam", Proc. SPIE 6931, Nanosensors and Microsensors for Bio-Systems 2008, 69310D (26 March 2008); https://doi.org/10.1117/12.775955

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