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METHOD FOR MANUFACTURING RARE-EARTH SINTERED MAGNET 发明申请

2023-09-22 2220 816K 0

专利信息

申请日期 2025-07-02 申请号 WOKR16006161
公开(公告)号 WO2017191866A1 公开(公告)日 2017-11-09
公开国别 WO 申请人省市代码 全国
申请人 STAR GROUP IND CO LTD
简介 The present invention provides a method for manufacturing a rare-earth magnet, the method comprising the steps of : preparing a rare-earth magnet powder containing R, Fe, and B as constituent components (here, R is at least one selected from rare-earth elements including Y and Sc; and M is at least one of metals); mixing a heavy rare-earth compound including a heavy rare-earth hydroxide with the rare-earth magnet powder; subjecting the mixed powder to magnetic-field molding; and performing sintering and heavy rare-earth diffusion at the same time.


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