Magnetic materials and permanent magnets

专利名称：Magnetic materials and permanent magnets发明人：Masato Sagawa,Setsuo Fujimura,Yutaka

Matsuura

申请号：US07/877400申请日：19920430公开号：US05183516A公开日：19930202

摘要：Magnetic materials comprising Fe, B and R (rare earth elements) having a majorphase of an Fe-B-R intermetallic compound which may be a tetragonal system, wherein atleast 50 at % of R consists of Nd and/or Pr, and anisotropic sintered permanent magnetsconsisting essentially of 8- 30 at % R, 2-28 at %, B and the balance being Fe withimpurities. These magnetic materials and permanent magnets may contain additionalelements M (Ti, Ni, Bi, V, Nb, Ta, Cr, Mo, W, Mn, Al, Sb, Ge, Sn, Zr, Hf), thus providing Fe-B-R-M type materials and magnets.

申请人：SUMITOMO SPECIAL METALS CO., LTD.

代理机构：Fish & Richardson

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