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Proceedings Paper

Hysteretic behavior of NiTi shape memory alloy as a function of deformation, temperature, and rate of deformation
Author(s): M. C. Piedboeuf; R. Gauvin; Francois Trochu
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Paper 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.

Paper Details

Date Published: 26 April 1996
PDF: 5 pages
Proc. SPIE 2779, 3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials, (26 April 1996); doi: 10.1117/12.237160
Show Author Affiliations
M. C. Piedboeuf, Ecole Polytechnique de Montreal (Canada)
R. Gauvin, Ecole Polytechnique de Montreal (Canada)
Francois Trochu, Ecole Polytechnique de Montreal (Canada)


Published in SPIE Proceedings Vol. 2779:
3rd International Conference on Intelligent Materials and 3rd European Conference on Smart Structures and Materials
Pierre Francois Gobin; Jacques Tatibouet, Editor(s)

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