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ALLOY MATERIAL FOR R-T-B SYSTEM RARE EARTH PERMANENT MAGNET, METHOD FOR PRODUCING R-T-B SYSTEM RARE 发明申请

2023-08-03 2620 1235K 0

专利信息

申请日期 2025-07-10 申请号 WOJP09006851
公开(公告)号 WO2010073533A1 公开(公告)日 2010-07-01
公开国别 WO 申请人省市代码 全国
申请人 SHOWA DENKO K K; NAKAJIMA Kenichiro
简介 Disclosed is an alloy material for R-T-B system rare earth permanent magnets, which contains an R-T-B system alloy containing R, T and B, and a high melting-point compound having a melting point of not less than 1, 080˚C.  (In this connection, R represents at least one element selected from a group consisting of Nd, Pr, Dy and Tb, and Dy or Tb is essentially contained in the R-T-B system alloy in an amount of 4-10% by mass; T represents transition metal(s) essentially including Fe; and B represents boron which can be partially substituted by carbon or nitrogen.)


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