新技术、新设备在NdFeB稀土磁体生产中的应用之二——合金的氢爆及气流粉碎  

Application of New Technology & New Equipment in NdFeB Production Part 2: Hydrogen Decrepitation & Jet Milling

作　　者：罗阳[1] 陈虞才 

机构地区：[1]IEEETC-15永磁委员会委员,北京100081 [2]北京嘉诺海融商贸有限公司,北京100029

出　　处：《磁性材料及器件》2006年第6期1-6,16,共7页Journal of Magnetic Materials and Devices

摘　　要：介绍和评述了磁性合金的氢爆(HD)和流化床气流磨(JM)的工艺原理、制备技术和相关设备,并强调磁粉粒度、粒度分布、粒度均匀性对制备高性能磁体的重要性。希望借此引起广大磁体厂家对工艺原理的掌握及对硬件设备改造的重视。The principle, technology and related equipment of hydrogen decreqitation （HD） and jet milling were summarized. The importance of particle size and its distribution, uniformity to the preparation of high performance NdFeB sintered magnets was stressed. It is hoped that the importance is attached to the mastering of technological principle and improving of equipment by whole magnet manufactures.

关 键 词：NDFEB磁体 氢爆(HD)制粉 流化床气流磨(JM) 粒度及粒度分布 

分 类 号：TM273[一般工业技术—材料科学与工程]