Magnetic Properties and Phase Diagram of Ni50Mn50-xGax/2Inx/2 Magnetic Shape Memory Alloys

被引：0

作者：

Xu, Xiao ^{[1
]}

Yoshida, Yasuki ^{[1
]}

Omori, Toshihiro ^{[1
]}

Kanomata, Takeshi ^{[1
,2
]}

Kainuma, Ryosuke ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Mat Sci, Aoba Yama 6-6-02, Sendai, Miyagi 9808579, Japan

[2] Tohoku Gakuin Univ, Res Inst Engn & Technol, Tagajo, Miyagi 9858537, Japan

来源：

SHAPE MEMORY AND SUPERELASTICITY | 2016年 / 2卷 / 04期

基金：

日本学术振兴会;

关键词：

Ferromagnetic shape memory alloys; Martensitic transformation; Ni-Mn-Ga-In; Phase diagram; Spontaneous magnetization;

D O I：

10.1007/s40830-016-0084-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ni50Mn50-xGax/2Inx/2 magnetic shape memory alloys were systematically prepared, and the magnetic properties as well as the phase diagram, including atomic ordering, martensitic and magnetic transitions, were investigated. The B2-L2(1) order-disorder transformation showed a parabolic-like curve against the Ga+In composition. The martensitic transformation temperature was found to decrease with increasing Ga+In composition and to slightly bend downwards below the Curie temperature of the parent phase. Spontaneous magnetization was investigated for both parent and martensite alloys. The magnetism of martensite phase was found to show glassy magnetic behaviors by thermomagnetization and AC susceptibility measurements.

引用

页码：371 / 379

页数：9

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