Investigation on thermo-mechanical behaviors of shape memory thin-walled tube

Bo Zhou; Yanju Liu; Guangping Zou; Jinsong Leng

doi:10.1117/12.816440

30 March 2009 Investigation on thermo-mechanical behaviors of shape memory thin-walled tube

Bo Zhou, Yanju Liu, Guangping Zou, Jinsong Leng

Proceedings Volume 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009; 72921N (2009) https://doi.org/10.1117/12.816440
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2009, San Diego, California, United States

Abstract

The stress-strain relationship and phase transformation behavior of shape memory alloy (SMA) in pure shear state are investigated by using Zhou's SMA micromechanical constitutive equation of 3-dimension and Zhou's SMA phase transformation equation of 1-diemsion respectively. Then thermo-mechanical model describing thermo-mechanical behaviors of SMA torque thin-walled tube is established based on the stress-strain relation and phase transformation model of SMA in pure shear state. The relations of torque vs. rotation, recovery rotation vs. temperature and recovery torque vs. temperature of the torque tube are numerically simulated by using the thermo-mechanical model.

Citation Download Citation

Bo Zhou, Yanju Liu, Guangping Zou, and Jinsong Leng "Investigation on thermo-mechanical behaviors of shape memory thin-walled tube", Proc. SPIE 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009, 72921N (30 March 2009); https://doi.org/10.1117/12.816440

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