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Author:

王群 (王群.) (Scholars:王群) | 孙忠巍 (孙忠巍.) | 瞿志学 (瞿志学.) | 李永卿 (李永卿.)

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incoPat zhihuiya

Abstract:

一种制备具有优良电磁性能的Fe4-xMxN(M=Ni, Co)软磁粉体的方法,属于新材料领域。该发明方法以FeNi,FeCo合金粉末为原料,采用固气反应法在NH3和H2的气氛中氮化,加热过程采用两步法,先在高温下消除原料粉末制备过程中产生的残余应力,并且使原料粉末中存在的多相在高温下形成单一的γ相;再在低温下氮化。氮化得到Fe4-xMxN(M=Ni, Co)三元铁氮化合物,其中Fe4-xNixN中x的范围为0.01≤x≤3,Fe4-yCoyN中y的范围为0.01≤y≤0.4。产物粉末颗粒的分散性好,平均粒径为5μm,并且具有高的饱和磁化强度和低的矫顽力。

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Patent Info :

Type: 发明授权

Patent No.: CN201310042674.3

Filing Date: 2013-02-03

Publication Date: 2015-03-25

Pub. No.: CN103121666B

Applicants: 北京工业大学

Legal Status: 授权 ; 许可

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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