Preparation and magnetic properties of Fe4N/Fe soft magnetic composites fabricated by gas nitridation

被引：26

作者：

Peng, Xiaoling ^{[1
]}

Yu, Shiyan ^{[1
]}

Chang, Jiasong ^{[1
]}

Ge, Minghui ^{[1
]}

Li, Jing ^{[1
]}

Ellis, Tristan ^{[2
]}

Yang, Yanting ^{[1
]}

Xu, Jingcai ^{[1
]}

Hong, Bo ^{[1
]}

Jin, Dingfeng ^{[1
]}

Jin, Hongxiao ^{[1
]}

Wang, Xinqing ^{[1
]}

Ge, Hongliang ^{[1
]}

机构：

[1] China Jiliang Univ, Coll Mat Sci & Chem, Hangzhou 310018, Peoples R China

[2] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2020年 / 500卷

基金：

中国国家自然科学基金;

关键词：

Fe4N/Fe; Gas nitridation; Permeability; Core loss; D-C bias; LOW CORE LOSS; HIGH-RESISTIVITY; HEAT-TREATMENT; FE; PERMEABILITY; POWDER; MN; NANOCOMPOSITES; PERFORMANCE; ALLOYS;

D O I：

10.1016/j.jmmm.2020.166407

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fe4N/Fe soft magnetic composites (SMCs) are fabricated by gas nitridation and molding compaction. The magnetic properties of Fe4N/Fe SMCs have been investigated. With increasing nitridation time, the content of the Fe4N phase, coercivity H-c and remanent magnetization M-r increase, while saturation magnetization M-s decreases. The core loss of Fe4N/Fe SMCs, especially eddy-current loss, is obviously improved with the increase of Fe4N content. The SMCs with higher Fe4N content present lower mu',mu '', loss tangent and higher mu Q product. Moreover, DC-bias performance has also been improved effectively after nitridation. The results suggest nitridation can effectively improve soft magnetic properties at high frequency.

引用

页数：7

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