High-coercivity nanocomposite permanent magnet based on Nd-Fe-B-Ti-C with Cr additino for high-temperature applications

被引：20

作者：

Ishii, Rintaro ^{[1
]}

Miyoshi, Toshio ^{[1
]}

Kanekiyo, Hirokazu ^{[1
]}

Hirosawa, Satoshi ^{[1
]}

机构：

[1] Neomax Co Ltd, R&D Div, Shimamoto, Osaka 6180013, Japan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 312卷 / 02期

关键词：

Nd2Fe14B; nanocomposite; Cr addition; high coercivity; thermal resistance; bonded magnet;

D O I：

10.1016/j.jmmm.2006.11.127

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have investigated influences of various elements (Ti, Nb, Mo, Ta, Hf, W, V, Cr) on magnetic properties of Fe-B/Nd2Fe14B-based Nd-Fe-B-Ti-C nanocomposite magnets in order to obtain larger coercivity required for high-temperature applications. As a result, addition of Cr was found to be most effective among additive elements investigated to enhance coercivity. Thermal flux losses of high-coercivity (H-cJ = 1609 kA/m) Nd-Fe-B-Ti-C-Cr nanocomposite magnet at 200 degrees C are less than 2%. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：410 / 413

页数：4

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