Magnetic and martensitic phase transformations in a Ni54Ga27Fe19 alloy

被引：129

作者：

Oikawa, K ^{[1
]}

Ota, T

Sutou, Y

Ohmori, T

Kainuma, R

Ishida, K

机构：

[1] Tohoku Ctr, Natl Inst Adv Ind Sci & Technol, Sendai, Miyagi 9838551, Japan

[2] Tohoku Univ, Grad Sch Engn, Dept Mat Sci, Sendai, Miyagi 9808579, Japan

来源：

MATERIALS TRANSACTIONS | 2002年 / 43卷 / 09期

关键词：

ferromagnetic shape memory alloy; martensitic transformation; nickel-gallium-iron alloy; phase diagram;

D O I：

10.2320/matertrans.43.2360

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The martensitic and magnetic transitions of Ni54Ga27Fe19 alloy were investigated by differential scanning calorimetry and X-ray powder diffraction and with a vibrating sample magnetometer. The alloy is martensitically transformed from a L2(1) to a martensite phase with a 14M (7R) structure. The ferromagnetic transition is also accompanied by the martensitic transformation from a paramagnetic parent phase to a ferromagnetic martensite phase in the temperature interval between M-s (= 293 K) and M-f (= 274 K). The Ni-Ga-Fe system is promising as a ferromagnetic shape memory alloy.

引用

页码：2360 / 2362

页数：3

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