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Influence of Biaxial Magnetic Field on Martensite Reorientation in Magnetic Shape Memory Alloy

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Abstract:

Based on thermodynamics, a constitutive model for magnetic shape memory alloy (MSMA) is developed under biaxial magnetic field. Considering the driving force provided by Gibbs free energy and resistive force during martensite reorientation, a kinetic equation is got. Of special concern is the influence of biaxial magnetic field on martensite reorientation for a Ni2MnGa single-crystal specimen. The theoretical results are in agreement with experimental data. Some useful conclusions can be obtained.

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Periodical:

Advanced Materials Research (Volumes 261-263)

Pages:

697-701

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.261-263.697

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Cite this paper

Online since:

May 2011

Authors:

Yu Ping Zhu

Keywords:

Biaxial Magnetic-Field, Constitutive Model, Magnetic Shape Memory Alloy (MSMA), Thermodynamic

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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