✦ LIBER ✦

Influence of magnetization rotation on martensite reorientation in magnetic shape memory alloy

✍ Scribed by Yuping Zhu; Guansuo Dui

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 209 KB
Volume: 23
Category: Article
ISSN: 0894-9166
DOI: 10.1016/s0894-9166(10)60002-x

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✦ Synopsis

A large field-induced strain of magnetic shape memory alloy is developed by the martensite variant reorientation. It is widely recognized that the martensite reorientation in a magnetic shape memory alloy (MSMA) can develop if the magnetic field is large enough. However, it has been shown in the literature that the magnetization rotation may block variant reorientation via energy minimization approach. In this paper, based on a micromechanical model associated with the thermodynamic theory, authors show that there are some limits for the martensite reorientation, which is hindered by the magnetization rotation. Some useful conclusions are obtained.

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