Permanent magnetic properties of melt-spun Sm2Fe15Si2C

被引:15
|
作者
Zhang, HW
Zhang, SY
Shen, BG
Zhang, LG
机构
[1] CHINESE ACAD SCI, CTR CONDENSED MATTER PHYS, BEIJING 100080, PEOPLES R CHINA
[2] UNIV MET SCI & TECHNOL WUHAN, DEPT PHYS, WUHAN 430081, PEOPLES R CHINA
关键词
D O I
10.1088/0022-3727/30/22/005
中图分类号
O59 [应用物理学];
学科分类号
摘要
The hard magnetic properties of melt-spun Sm2Fe15Si2C were studied. A coercivity of mu(0i)H(c), = 0.84 T and an energy product of 60 kJ m(-3) at room temperature were obtained for a sample prepared at a wheel speed of 20 m s(-1); correspondingly, the size of crystalline grains in these samples is about 38 nm. The mechanism of coercivity is mainly controlled by the nucleation of reversed domains. The phenomenon of remanence enhancement was observed in the melt-spun Sm2Fe15Si2C.
引用
收藏
页码:3085 / 3087
页数:3
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