Analysis of Thermo-Mechanical Behavior of Shape Memory Alloys

Abstract:

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Shape Memory Alloy (SMA) is widely used and plays an important role in various engineering fields due to its special characteristics of shape memory effect and super-elasticity. In this paper the phase transformation behavior and thermo-mechanics behavior of 50.0at%Ni-Ti SMA are investigated though differential scanning colorimeter (DSC) and tensional tests respectively. Optical micrographs show the transformation of austenite and twinned martensite. The comparing numerical calculation result with tensional test result shows the new macro-mechanical constitutive equation can express the thermo-mechanical behavior of SMA effectively.

Info:

Periodical:

Key Engineering Materials (Volumes 452-453)

Edited by:

A. Saimoto and M.H. Aliabadi

Pages:

149-152

DOI:

10.4028/www.scientific.net/KEM.452-453.149

Citation:

H. S. Lei et al., "Analysis of Thermo-Mechanical Behavior of Shape Memory Alloys", Key Engineering Materials, Vols. 452-453, pp. 149-152, 2011

Online since:

November 2010

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Price:

$35.00

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