Influence of Heat Treatment on Microstructures and Properties of Nd8Fe78B6Co4 Alloy

被引：2
|
作者：
赵浩峰
刘红梅
苏俊义
机构：
[1] Taiyuan Sh-Xing Functional Composite Materials Company
[2] Xi’an 710078
[3] Taiyuan 030024
[4] College of Materials
[5] Nanjing 210044
[6] Xi’an Jiaotong University
[7] Department of Materials Processing
[8] China
[9] Nanjing Information University of Science and Technolagy
[10] Department of Material Physics College of Physics
来源：
Journal of Rare Earths | 2006年 / S1期
关键词：
bonded NdFeB; Nd8Fe78B6Co4; quenched powder; magnetic property; rare earths;
D O I：
暂无
中图分类号：
TG166 [有色金属及其合金的热处理];
学科分类号：
080201 ; 080503 ;
摘要：
Melt-spun Nd8Fe78B6Co4 magnetic powders and their bonded magnets were prepared with the optimization of compositions and preparation techniques. The microstructure change of alloy NdFeB and the relation between microstruc-ture and heat-treatment were studied. The heat-treatment temperature is 200 ~ 700℃. The as-cast structure of the alloy is typically amorphous. Different melt-spun speed and different heat treatment could result in different magnetic properties of NdFeB magnets. Magnetic properties of NdFeB increase with the addition of element Co. The magnetic properties of magnet alloy get the best when the melt-spun speed reaches 23 ~ 26 m·s-1, heat treatment temperature is 690℃and time is 30 min.
引用
收藏
页码：379 / 381
页数：3
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