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Mechanical and Phase Transformation Behavior of Plastically Strained NiTi-based Shape Memory Alloys

Published online by Cambridge University Press:  01 February 2011

Peng Yu  and
Qizhen Li
Peng Yu
Affiliation:
Chemical and Metallurgical EngineeringUniversity of Nevada, RenoRenoNV89557
Qizhen Li
Affiliation:
[email protected], University of Nevada, Reno, Chemical and Metallurgical Engineering, 1664 N. Virginia St., Reno, NV, 89557, United States, 775-784-4507, 775-327-5059
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Abstract

This paper examines the effect of plastic deformation on the strength and transformation heat and temperatures of the superelastic Nitinol samples. Two types of compression tests and differential scanning calorimetry tests were conducted. The first type of compression test deformed the samples to final fracture, and the second type included two loading –unloading cycles with or without plastic deformation. The mechanically tested samples were analyzed using differential scanning calorimetry.

Keywords

stress/strain relationshipphase transformationmemory
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1097: Symposium GG – Mechanical Behavior of Biological Materials and Biomaterials , 2008 , 1097-GG05-05
Copyright
Copyright © Materials Research Society 2008

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