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公开(公告)号:US5064465A
公开(公告)日:1991-11-12
申请号:US619724
申请日:1990-11-29
申请人: Chi J. Chen , Cheng H. Lin , Tin Y. Liu , Ying C. Hung
发明人: Chi J. Chen , Cheng H. Lin , Tin Y. Liu , Ying C. Hung
CPC分类号: B22F9/20 , H01F1/0573
摘要: A process for preparing by a reduction/diffusion method rare earth-iron-boron alloy powders useful in permanent magnets. The process generates rare earth-iron-boron alloy powders having large and uniform particle sizes with minimal contamination. The process entails the use of a seed alloy among the starting materials, the seed alloy having substantially the same composition as the rare earth-iron-boron alloy to be prepared.
摘要翻译: 通过还原/扩散方法制备用于永磁体的稀土 - 铁 - 硼合金粉末的方法。 该方法产生具有大且均匀粒径的稀土 - 铁 - 硼合金粉末,污染最小。 该方法需要在起始材料中使用种子合金,所述种子合金具有与要制备的稀土 - 铁 - 硼合金基本相同的组成。