Properties of Fe2SiO4/SiO2 coated Fe-Si soft magnetic composites prepared by sintering Fe-6.5wt%Si/Fe3O4 composite particles

Zigui Luo,Xi'an Fan,Wentao Hu,Fan Luo,Jian Wang,Zhaoyang Wu,Xin Liu,Guangqiang Li,Yawei Li

Journal of Magnetism and Magnetic Materials（2020）

引用 18|浏览6

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摘要

•Fe2SiO4/SiO2 coated Fe-Si SMCs transformed from Fe-6.5wt%Si/Fe3O4 composites were prepared.•The transformation mechanism was revealed in detail.•Effect of Fe3O4 coating content on structure and magnetic properties was studied.•The novel Fe-Si SMCs exhibited high Ms (190.4 emu/g) and very low Pcv (9.02 mW/cm3).

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关键词

Soft magnetic composites,Redox reaction,Fe2SiO4/SiO2 insulating layer,Fe3O4 coating layer,Core loss

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