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Proceedings Paper

A temperature-dependent three-dimensional super-elastic constitutive model considering plasticity for NiTi alloy
Author(s): Qianhua Kan; Guozheng Kang; Linmao Qian; Sujuan Guo
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Paper Abstract

Based on the experimental results of super-elastic NiTi alloy, a three-dimensional thermo-mechanical constitutive model which includes transformation and plasticity was constructed in a framework of general inelasticity. In the proposed model, transformation hardening, reverse transformation, elastic mismatch between the austenite and martensite phases, and temperature-dependence of elastic modulus for each phase are considered. In the meantime, the plastic yielding of austenite or martensite occurred at high temperature or under high stress is also addressed. The predict capability of the proposed model was verified by comparing the simulated results with the correspondent experimental results.

Paper Details

Date Published: 25 August 2009
PDF: 6 pages
Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 73755U (25 August 2009); doi: 10.1117/12.839357
Show Author Affiliations
Qianhua Kan, Southwest Jiaotong Univ. (China)
Guozheng Kang, Southwest Jiaotong Univ. (China)
Linmao Qian, Southwest Jiaotong Univ. (China)
Sujuan Guo, Southwest Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 7375:
ICEM 2008: International Conference on Experimental Mechanics 2008
Xiaoyuan He; Huimin Xie; YiLan Kang, Editor(s)

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