New high-Bs Fe-based nanocrystalline soft magnetic alloys

被引：99
|
作者：
Ohta, Motoki [1 ]
Yoshizawa, Yoshihito [1 ]
机构：
[1] Hitachi Met Ltd, Adv Elect Res Lab, Kumagaya, Saitama 3600843, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 2007年 / 46卷 / 20-24期
关键词：
soft magnetic materials; nanocrystalline; high-saturation magnetic flux density; Fe-based amorphous alloy; low core loss; melt cuenching;
D O I：
10.1143/JJAP.46.L477
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magnetic properties and microstructures of newly developed Fe-Cu-B and Fe-Cu-Si-B alloys produced by melt-spinning have been studied. The annealed alloys consist of nanoscale grains. The annealed alloys show a high-saturation magnetic flux density B-s of more than 1.8 T and excellent soft magnetic properties such as a low core loss of about 0.3 W/kg at 50 Hz and 1.5 T (P-15/50). For the present alloys, the addition of Cu is effective for the formation of nanoscale grains and the improvement of the soft magnetic properties.
引用
收藏
页码：L477 / L479
页数：3
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