发明名称 CORROSION-RESISTANT RARE EARTH ELEMENT MAGNET
摘要 A corrosion resistant rare earth magnet is characterized by comprising a rare earth permanent magnet represented by R-T-M-B wherein R is at least one rare earth element inclusive of Y, T is Fe or Fe and Co, M is at least one element selected from among Ti, Nb, Al, V, Mn, Sn, Ca, Mg, Pb, Sb, Zn, Si, Zr, Cr, Ni, Cu, Ga, Mo, W, and Ta, the contents of the respective elements are 5 wt%≤R≤40 wt%, 50 wt%≤T≤90 wt%, 0 wt%≤M≤8 wt%, and 0.2 wt%≤B≤8 wt%, and a coating on a surface of the permanent magnet comprising a silicone resin, a flake metal fine powder, and a complexing agent. <IMAGE>
申请公布号 EP1455368(A1) 申请公布日期 2004.09.08
申请号 EP20020780088 申请日期 2002.11.14
申请人 SHIN-ETSU CHEMICAL COMPANY, LTD. 发明人 HAMADA, RYUJI;MINOWA, TAKEHISA
分类号 B22F3/24;C22C38/00;H01F1/053;H01F41/02;(IPC1-7):H01F1/04;H01F1/08;H01F1/06;H01F1/057;H01F1/09 主分类号 B22F3/24
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