Hysteretic behavior of NiTi shape memory alloy as a function of deformation, temperature, and rate of deformation

M. C. Piedboeuf; R. Gauvin; Francois Trochu

doi:10.1117/12.237160

26 April 1996 Hysteretic behavior of NiTi shape memory alloy as a function of deformation, temperature, and rate of deformation

M. C. Piedboeuf, R. Gauvin, Francois Trochu

Author Affiliations +

Proceedings Volume 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials; (1996) https://doi.org/10.1117/12.237160
Event: 3rd International Conference on Intelligent Materials, 1996, Lyon, France

Abstract

An extensive study of the effect of deformation, temperature and rate of deformation on the superelastic behavior of NiTi shape memory alloys wires was undertaken. This paper presents the first results. The temperature effect is to shift the stress-strain curve upward. It is generally believed that the strain rate sensitivity, sometime observed, is more a temperature effect due to the exo-endothermic transformations. In this research, the strain rate sensitivity of the transformation is demonstrated. Some interactions between the different variables are also shown.

Citation Download Citation

M. C. Piedboeuf, R. Gauvin, and Francois Trochu "Hysteretic behavior of NiTi shape memory alloy as a function of deformation, temperature, and rate of deformation", Proc. SPIE 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials, (26 April 1996); https://doi.org/10.1117/12.237160

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