The effect of grain-size distribution on coercivity in nanocrystalline soft magnetic alloys

被引：30
|
作者：
Bitoh, T
Makino, A
Inoue, A
机构：
[1] Akita Prefectural Univ, Fac Syst Sci & Technol, Dept Machine Intelligence, Honjo 0150055, Japan
[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2004年 / 272卷
关键词：
nanocrystalline soft magnetic alloy; random anisotropy model; grain-size distribution; structural inhomogencity;
D O I：
10.1016/j.jmmm.2003.12.368
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simple model considering grain-size distribution has been fabricated based on the random anisotropy model. The model indicates that the effective magnetic anisotropy increases with increasing width of the grain-size distribution even if the mean grain size is constant. The coercivity (H-c) of some nanocrystalline Fe-Nb-B(-P-Cu) alloys with different grain-size distribution has been calculated. Our model explains well the dependence of H-c on the grain-size distribution. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：1445 / 1446
页数：2
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