纳米复合稀土永磁材料  

Nanocomposite Rare-Earth Permanent Magnets

作　　者：王占勇[1] 谷南驹[1] 王宝奇[1] 刘金芳 岑伟 

机构地区：[1]河北工业大学金属材料研究所,天津300130 [2]美国宾夕法尼亚州电子能公司,美国宾夕法尼亚州17538 [3]河北省丰南市精密铸钢厂,河北唐山063000

出　　处：《金属热处理》2002年第6期9-12,共4页Heat Treatment of Metals

摘　　要：综述了近年来稀土永磁材料发展的一个热点方向———纳米复合稀土永磁材料 ,分析了硬磁相与软磁相的交换耦合作用 ;对当前制备纳米复合稀土永磁材料的方法 ,如机械合金化、熔体快淬法、磁控溅射法和HDDR法等进行了简单介绍 ;The hottest subject about rare-earth permanent magnets-nanocomposite permanent magnets was reviewed in this article.The exchange-coupling of hard and soft magnetic phases was analyzed.The processing and properties of the nanocomposite permanent magnet,especially Nd-Fe-B-type were also invesigated,such as mechanical alloying,melt spinning,magnetic sparking and HDDR processes.The methods to improve the properties of nanocomposite permanent magnet were also discussed.

关 键 词：稀土永磁 纳米复合永磁材料 超强永磁体NdFeB 

分 类 号：TM273[一般工业技术—材料科学与工程]