Hard magnetic properties of Mn-Ga melt-spun ribbons

被引：33
|
作者：
Saito, Tetsuji [1 ]
Nishimura, Ryuji [1 ]
机构：
[1] Chiba Inst Technol, Dept Mech Sci & Engn, Narashino, Chiba 2750016, Japan
来源：
JOURNAL OF APPLIED PHYSICS | 2012年 / 112卷 / 08期
关键词：
ND-FE-B; AL-C; PERMANENT-MAGNETS; PHASE; ALLOYS; SYSTEM; TEMPERATURE; COERCIVITY;
D O I：
10.1063/1.4759351
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Mn-Ga alloys were produced by melt-spinning followed by various heat treatments. Although the as-rapidly quenched Mn-Ga melt-spun ribbons showed low remanence and coercivity, annealing of the ribbons resulted in an increase in the remanence and coercivity values. The optimally annealed Mn(70)Ga(30)melt-spun ribbon with the DO22-Mn3Ga phase exhibited a coercivity of 5.7 kOe. The Curie temperature of the DO22-Mn3Ga phase was found to be around 730 K. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4759351]
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页数：4
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