Fe-Si-B-P-C-Cu nanocrystalline soft magnetic powders with high Bs and low core loss

被引：18

作者：

Takahashi, T. ^{[1
]}

Yoshida, K. ^{[1
]}

Shimizu, Y. ^{[1
]}

Setyawan, A. D. ^{[2
]}

Bito, M. ^{[1
]}

Abe, M. ^{[1
]}

Makino, A. ^{[1
,2
]}

机构：

[1] Tohoku Magnet Inst Co Ltd, Sendai, Miyagi 9808577, Japan

[2] Tohoku Univ, Inst Mat Res, Res & Dev Ctr Ultra High Efficiency Nanocrystalli, Sendai, Miyagi 9808577, Japan

来源：

AIP ADVANCES | 2017年 / 7卷 / 05期

关键词：

AMORPHOUS PHASE; ALLOYS;

D O I：

10.1063/1.4978408

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The magnetic properties of Fe-Si-B-P-C-Cu nanocrystalline powders were investigated. Fe-Si-B-P-C-Cu powders with a mostly amorphous structure were prepared by an atomization method. The atomized powders were annealed in inert gas atmosphere for nanocrystallization. The Fe84.8Si0.5B9.4P3.5C1Cu0.8 nanocrystalline powder exhibits high B-s of 1.76T, which is appreciably higher than that of conventional Fe-based amorphous powders (1.3 - 1.5 T) and close to that of Fe3.5Si4.5Cr (1.86T) crystalline one. The magnetic loss of toroidal core made of the Fe84.8Si0.5B9.4P3.5C1Cu0.8 nanocrystalline powder is also the lowest compared to that of amorphous and crystalline counterparts. This result indicates that Fe-Si-B-P-C-Cu nanocrystalline powders could contribute in efficiency-improvement as well as miniaturization of soft-magnetic cores. (C) 2017 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

引用

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