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PROCESS FOR PREPARING RARE EARTH MAGNETS 发明授权

2023-04-27 4750 318K 0

专利信息

申请日期 2025-06-26 申请号 KR1020130168492
公开(公告)号 KR101534717B1 公开(公告)日 2015-07-01
公开国别 KR 申请人省市代码 全国
申请人 HYUNDAI MOTOR COMPANY
简介 Disclosed are a method for manufacturing rare earth magnets and rare earth magnets manufactured by the method. The method includes : a step of obtaining a sintering magnet of a NdFeB system; a step of spreading mixed powder including metal containing Zn and a metallic compound containing Tb or Dy on the surface of the sintering magnet; and a step of treating the sintering magnet on whose surface the mixed powder has been spread by heating.(AA) An based coatingCOPYRIGHT KIPO 2015


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