Magnetic properties and structure of Nd-Fe-B melt-spun alloys for isotropic bonded magnets

被引：0

作者：

Avramenko, B. A. ^{[2
]}

Bovda, O. M. ^{[1
]}

Bovda, V. O. ^{[1
]}

Chernov, E. A. ^{[2
]}

Kostin, A. A. ^{[1
]}

Kutniy, D. V. ^{[1
]}

Ravlik, A. G. ^{[2
]}

Onischenko, L. V. ^{[1
]}

Tortika, O. S. ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Kharkiv Inst Phys & Technol, Natl Sci Ctr, UA-61108 Kharkov, Ukraine

[2] Natl Tech Univ, Kharkiv Polytech Inst, 21 Frunze St, UA-61002 Kharkov, Ukraine

来源：

FUNCTIONAL MATERIALS | 2006年 / 13卷 / 03期

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The phase evolution and magnetic properties of both melt-spun NdxFe98.9-xBi1.1 x = 10-39 mass % ribbons and isotropic bonded magnets have been investigated. A high coercivity and remanence has been shown to be attainable even in the as-spun state with Nd in the range of x = 28-30 mass % without heat treatment. The influence of heat treatment in the 530 to 730 degrees C range on magnetic properties of melt-spun ribbons has been studied. A well-expressed effect of Nd concentration on the lattice volume of Nd2Fe14B (P4(2)/mnm) phase and volume fraction of secondary phases has been revealed. It was shown that exchange-coupling effect plays important role in the hard magnetic properties of the alloys with low Nd content, but melt-spun alloys with high remanence along are not sufficient to guarantee high magnetic performance.

引用

页码：478 / 483

页数：6

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