氢爆碎后球磨制粉对烧结NdFeB磁体性能的影响  

Effect of Milling Process After Hydrogen Decrepitation on the Magnetic Properties of Sintered NdFeB Magnets

作　　者：谭春林[1] 白书欣[2] 张虹[2] 高艳丽[2] 张家春[1,3] 蔡珣[1] 陈柯[2] 

机构地区：[1]上海交通大学材料科学与工程学院 [2]国防科技大学航天与材料工程学院 [3]国防科技大学航天与材料工程学院,湖南长沙410073

出　　处：《磁性材料及器件》2003年第6期13-15,共3页Journal of Magnetic Materials and Devices

基　　金：湖南省自然科学基金资助项目(00JJY2042)

摘　　要：研究了NdFeB合金铸锭经氢爆碎后,球磨时间对磁粉尺寸、烧结磁体的显微组织和磁性能的影响。讨论了制粉对磁性能影响的机理。结果表明,合适的制粉工艺可以获得较优性能的烧结磁体。The effects of milling after hydrogen decrepitation on the particle size of the fine NdFeB powder, the microstructure and magnetic performance of sintered magnets, were studied in this article, and their mechanisms were discussed. The results showed that magnets with optimal performances can be obtained using suitable milling process.

关 键 词：NDFEB磁体 氢爆 球磨 显微组织 磁性能 

分 类 号：TM273[一般工业技术—材料科学与工程]