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公开(公告)号:US20150187494A1
公开(公告)日:2015-07-02
申请号:US14513789
申请日:2014-10-14
发明人: Jae Ryung Lee , Kun Min Park , Yen Jun Chung
CPC分类号: H01F41/0293 , H01F1/0572 , H01F1/0577 , H01F7/02 , H01F41/005
摘要: Disclosed is a method of producing a rare earth permanent magnet, comprising: obtaining a NdFeB sintered magnet; applying a mixed powder including a Zn-containing metal and a metal compound containing Tb or Dy onto a surface of the sintered magnet; and heat-treating the sintered magnet having the mixed powder applied on its surface.
摘要翻译: 公开了一种稀土永磁体的制造方法,其特征在于,包括:获得NdFeB烧结磁体; 将包含含Zn金属和含有Tb或Dy的金属化合物的混合粉末施加到烧结磁体的表面上; 并对其表面施加混合粉末的烧结磁体进行热处理。