[1]郑立允,房刊,李卫.高电阻率稀土永磁材料研究进展[J].中国材料进展,2018,(09):021-25.
 ZHENG Liyun,FANG Kan,LI Wei.Recent Development of High Electrical Resistivity Rare Earth Permanent Magnetic Materials[J].MATERIALS CHINA,2018,(09):021-25.
点击复制

高电阻率稀土永磁材料研究进展()
分享到:

中国材料进展[ISSN:1674-3962/CN:61-1473/TG]

卷:
期数:
2018年第09期
页码:
021-25
栏目:
出版日期:
2018-09-30

文章信息/Info

Title:
Recent Development of High Electrical Resistivity Rare Earth Permanent Magnetic Materials
作者:
郑立允;房刊;李卫
钢铁研究总院功能材料研究所
河北工程大学材料科学与工程学院
Author(s):
ZHENG Liyun;FANG Kan;LI Wei
College of Materials Science and Engineering, Hebei University of Engineering
Division of Functional Materials, Central Iron and Steel Research Institute
关键词:
稀土永磁材料电阻率最大磁能积掺杂
Keywords:
rare earth permanent magnetic materialselectrical resistivitymaximum energy productdoping
文献标志码:
A
摘要:
高性能低成本稀土永磁材料是现代技术和国防尖端技术的关键组成部分,尤其是牵引电机和发动机等旋转电力设备。但是其相当高的电导率造成服役过程中由于槽纹波、逆变器等产生较大的涡流损耗,引起磁体的温度升高,甚至引起热退磁。为解决磁体的涡流及温升问题,近年来围绕高电阻率稀土永磁材料展开了一系列研究工作。对掺杂剂种类、无机绝缘包覆技术和高电阻率复合磁体制备技术等方面进行了综述分析,总结了粘结、热压和烧结高电阻率稀土永磁材料的研究现状,并展望了高电阻率复合磁体的发展前景。
Abstract:
Rare earth magnetic materials with high properties and low cost are the critical components of modern technology and national defense sophisticated techniques, especially for the rotating electrical machines such as traction motors and generators. But their fairly higher conductivity leads to larger eddy-current losses due to slot ripple and inverter during the service process, resulting in temperature rise and even thermal demagnetization. To solve the eddy current and temperature rise, the systematic investigations have been done on rare earth permanent magnetic materials with high electrical resistivity. In this paper, recent developments in dopants, insulation coating techniques of magnetic powders and forming techniques for high electrical magnets have been reviewed. The research on the bonded, die-upset and sintered rare earth permanent magnetic materials with high electrical resistivity have summarized. Prospects of developing high electrical resistivity composite magnets are presented.

备注/Memo

备注/Memo:
第一作者:郑立允, 女, 1969年生, 教授, 博士生导师
通讯作者: 李卫, 男, 1957年生, 教授, 博士生导师, Email: weili@cisri.com.cn
更新日期/Last Update: 2018-08-31