Effect of built-in bias field on hysteresis loss of FeSiAl/SrFe12O19 soft magnetic composite

被引：0

作者：

Ni, J. L. ^{[1
]}

Zhao, C. R. ^{[1
]}

Zhu, S. J. ^{[2
]}

Feng, S. J. ^{[2
]}

Kann, X. C. ^{[2
]}

Liu, X. S. ^{[2
]}

机构：

[1] Hefei Normal Univ, Sch Phys & Mat Engn, Hefei, Peoples R China

[2] Anhui Univ, Engn Technol Res Ctr Magnet Mat Anhui Prov, Sch Mat Sci & Engn, Hefei 230601, Peoples R China

来源：

MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK | 2024年 / 55卷 / 12期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

built in bias field; FeSiAl; magnetic loss; soft magnetic composites; SrFe12O19; PHOSPHATE COATINGS; FE; ORIENTATION; EVOLUTION; FERRITE;

D O I：

10.1002/mawe.202400061

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

After magnetization, the magnetic loss of FeSiAl/SrFe12O19 (SrM) soft magnetic composite is greatly reduced compared with that before magnetization, which has similar effect with FeSiAl magnetic powder core with applied external transverse magnetic field. The experimental results show that the internal bias field provided by SrM ferrite after magnetization increases the average domain size, reduces the number of domain walls and the displacement of domain walls, thereby effectively reducing the hysteresis loss. When the content of SrM ferrite is 8.1 wt.-%, the magnetic loss is reduced by about 50 %, and the overall performance is the best.

引用

页码：1659 / 1666

页数：8

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