Martensitic transformation and magnetic properties in Mn49-xCuxNi41Sn10(x=0-2)

被引：0
|
作者：
Meng-Zhe Zhao [1 ]
Hong-Mei Qiu [1 ]
Ze-Ya Zhu [1 ]
Yun-Li Xu [2 ]
Zhu-Hong Liu [1 ]
Li-Qing Pan [2 ]
机构：
[1] Department of Applied Physics,University of Science and Technology Beijing
[2] College of Science,China Three Gorges University
来源：
Rare Metals | 2023年 / 42卷 / 07期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TG139 [其他特种性质合金];
学科分类号：
080502 ;
摘要：
The crystal structure,phase transition,metamagnetic behavior and magnetic entropy change(ΔSM) of the Mn49-xCuxNi41Sn10(x=0-2) alloys were systematically studied.The results of experiment about crystal structure confirm that Mr49-xCuxNi41Sn10alloys have a highly ordered cubic L21Heusler structure.With Cu element improving,all samples have a martensitic transformation and inverse martensitic transformation by analyzing the result of magnetic measurement.The saturation magnetization of samples decreases gradually,the martensitic transformation temperature(TM) of as-annealed samples increases to a high-temperature area,and the Curie temperature(TC) of samples moves to a low-temperature area with the content of Cu element increasing from x=0 to x=2.The positive values of magnetic entropy change(ΔSM) of all alloys were investigated near the martensitic transformation.When the applied magnetic field is 3 T,a worthwhile value of ΔSMcan reach up to 32.0 J·kg-1·K-1in Mn47Cu2Ni41Sn10alloy.
引用
收藏
页码：2433 / 2438
页数：6
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