Rare earth permanent magnet
    5.
    发明授权
    Rare earth permanent magnet 有权
    稀土永磁铁

    公开(公告)号:US06833036B2

    公开(公告)日:2004-12-21

    申请号:US10185767

    申请日:2002-06-27

    IPC分类号: H01F1057

    CPC分类号: H01F1/057 H01F1/0577

    摘要: A rare earth permanent magnet consists of 20-40 wt % of at least one rare earth element R, 0.5-4.5 wt % of boron B, 0.03-0.5 wt % of M (at least one of Al, Cu, Sn and Ga), 0.01-0.2 wt % of Bi, and the balance being at least one transition metal element T.

    摘要翻译: 稀土永磁体基本上由20-40重量%的至少一种稀土元素R,0.5-4.5重量%的硼B,0.03-0.5重量%的M(Al,Cu,Sn和Ga中的至少一种)组成 ),0.01-0.2重量%的Bi,余量为至少一种过渡金属元素T.