Effect of temperature on magnetic field-induced response of Ni-Mn-Ga single crystals

被引：3

作者：

Lei, Hongshuai ^{[1
,2
,3
]}

Tong, Liyong ^{[2
]}

Wang, Zhenqing ^{[1
]}

机构：

[1] Harbin Engn Univ, Coll Aerosp & Civil Engn, Harbin, Peoples R China

[2] Univ Sydney, Sch Aerosp Mech & Mechatron Engn, Sydney, NSW 2006, Australia

[3] Peking Univ, Coll Engn, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China

来源：

JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 2015年 / 26卷 / 17期

基金：

澳大利亚研究理事会;

关键词：

Ni-Mn-Ga; macroscopic response; temperature; critical threshold field; experiment; SHAPE-MEMORY ALLOYS; INDUCED STRAIN; ELASTIC-MODULUS; MARTENSITE; DEPENDENCE; STRESS; MODEL; REORIENTATION; DEFORMATION; INDENTATION;

D O I：

10.1177/1045389X14556164

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study presents an experimental and theoretical investigation into the effect of temperature on the magnetic field-induced responses of Ni-Mn-Ga single crystals, such as reorientation behaviour, critical threshold fields and hysteresis loops. Nano-indentation, differential scanning calorimetry and magnetic field-induced strain tests were conducted. The experimental results reveal that the critical threshold field decreases with an increase in temperature under a constant compressive stress. A revised magnetization rotation angle equation was developed by considering the effect of temperature on material magnetic anisotropy. By comparing with the measured magnetic field-induced strain versus magnetic field curves, the present theoretical model is shown to be capable of predicting the effect of temperature on the macroscopic responses of magnetic shape memory alloy.

引用

页码：2395 / 2410

页数：16

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