RARE-EARTH NITRIDES AND CARBIDES - A NEW CLASS OF PERMANENT-MAGNET MATERIALS

被引：5

作者：

HADJIPANAYIS, GC ^{[1
]}

WANG, YZ ^{[1
]}

SINGLETON, EW ^{[1
]}

YELON, WB ^{[1
]}

机构：

[1] UNIV MISSOURI,RES REACTOR,COLUMBIA,MO 65201

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 1992年 / 1卷 / 02期

关键词：

D O I：

10.1007/BF02648617

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The most recent and exciting development in permanent magnet research is the discovery of rare-earth nitrides and carbides with the 2:17- and 1:12-type structures. Nitrogen and carbon enter the lattice interstitially, expanding the volume of the unit cell and leading to a drastic increase in the Curie temperature (up to 300-degrees-C) and to dramatic changes in the magnetic anisotropy. Sm2Fe17(N(C))x and Nd(Fe,T)12Nx now have large magnetic anisotropy fields exceeding 9 and 7 T, respectively. Large coercivities have already been obtained in mechanically alloyed powders, melt-spun ribbons, and Zn-bonded Sm2Fe17Nx magnets.

引用

页码：193 / 204

页数：12

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