NdFeB粘结磁体材料研究新进展  

Recent Research Progress in NdFeB Bonded Magnet Materials

作　　者：刘晓亚[1] 李玉平[1] 胡连喜[1] 

机构地区：[1]哈尔滨工业大学,黑龙江哈尔滨150001

出　　处：《稀有金属材料与工程》2012年第10期1875-1880,共6页Rare Metal Materials and Engineering

基　　金：国家自然科学基金(50974047/E0417)

摘　　要：综述了NdFeB粘结磁体粉末材料制备技术研究的主要进展。介绍了NdFeB粘结磁粉的主要制备方法及其工艺特点,讨论了不同制备工艺以及添加微量合金元素对NdFeB合金磁粉材料微观组织结构和磁性能的影响。在此基础上,指出了进一步提高NdFeB粘结磁体材料磁性能的可能途径及今后研究工作的方向。Recent research progress in NdFeB magnetic powders for bonded magnets has been reviewed.The major methods for preparation of NdFeB magnetic powders are introduced,and their technical merits and limitations are presented and compared with each other.The effects of the processing routes,the NdFeB composition,and the addition of various transition elements on the microstructure and magnetic properties of the magnets are discussed.On this basis,summary remarks are presented regarding both the future research work and the possible routes to promote further the magnetic properties of the NdFeB bonded magnets.

关 键 词：NdFeB粘结磁粉 快淬法 HDDR法 纳米晶组织 磁性能 

分 类 号：TG132.2[一般工业技术—材料科学与工程] TM273[金属学及工艺—合金]