Nd_2Fe_(14)B/α-Fe纳米双相复合永磁体研究进展  

Developments of Research on Nd_2Fe_(14)B/α-Fe Nanocomposite Permanent Magnets

作　　者：郑文瀚[1] 何玉定[1] 

机构地区：[1]广东工业大学材料与能源学院,广州510006

出　　处：《材料导报》2012年第3期30-35,共6页Materials Reports

摘　　要：阐述了Nd2Fe14B/α-Fe纳米双相复合永磁体的磁学特性、制备方法及矫顽力机制;并结合近年来纳米复合永磁体研究的新进展,讨论了制备工艺,添加合金化元素,微结构与磁体性能的关系;最后指出了纳米复合永磁体目前存在的问题和今后的发展方向。The preparation methods, characteristics and coercivity mechanism of Nd2Fe14B/α-Fe nanocomposite permanent magnets are introduced. With the recent research progress of nanocomposite permanent magnets, the effects of processing, various elements addition,and microstructure on the properties of the magnets are discussed. Finally, existing problems and the future development of nanocomposite permanent magnets are proposed.

关 键 词：交互耦合 剩磁增强 交换弹簧 永磁材料 

分 类 号：TM273[一般工业技术—材料科学与工程]