A Model to Describe the Magnetomechanical Behavior of Martensite in Magnetic Shape Memory Alloy | Zendy

Guo Zao-yang | Zendy; Haitao Li | Zendy; Qiang Wan | Zendy; Xianghe Peng | Zendy; Jing Wen | Zendy

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A Model to Describe the Magnetomechanical Behavior of Martensite in Magnetic Shape Memory Alloy

Author(s) -

Guo Zao-yang,

Haitao Li,

Qiang Wan,

Xianghe Peng,

Jing Wen

Publication year - 2014

Publication title -

advances in condensed matter physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.314

H-Index - 26

eISSN - 1687-8124

pISSN - 1687-8108

DOI - 10.1155/2014/295436

Subject(s) - shape memory alloy , materials science , martensite , tangent , pseudoelasticity , constitutive equation , alloy , magnetic shape memory alloy , condensed matter physics , mechanics , thermodynamics , magnetic field , metallurgy , microstructure , finite element method , magnetic domain , physics , magnetization , geometry , mathematics , quantum mechanics

A model to describe the constitutive behavior of magnetic shape memory alloy composed with pure martensite is proposed based on the analysis of variants reorientation. A hyperbolic tangent expression is given to describe the variants transition during magnetic and mechanical loading process. The main features of magnetic shape memory alloy, such as pseudoelastic and partially pseudoelastic behavior as well as minor hysteretic loops, can be successfully replicated with the proposed model. A good agreement is achieved between calculated results and experimental data for NiMnGa single crystal

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