发明申请
- 专利标题： COMPOSITE MAGNETIC MATERIAL AND METHOD OF PREPARING THE SAME
- 专利标题（中）： 复合磁性材料及其制备方法
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申请号： US13256418申请日： 2010-03-26
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公开(公告)号： US20120007014A1公开(公告)日： 2012-01-12
- 发明人: Qing Gong , Xin Du , Xiaofeng Cheng
- 申请人： Qing Gong , Xin Du , Xiaofeng Cheng
- 申请人地址： CN Shenzhen
- 专利权人： BYD Company Limited
- 当前专利权人： BYD Company Limited
- 当前专利权人地址： CN Shenzhen
- 优先权： CN200910106263.X 20090331
- 国际申请： PCT/CN10/71368 WO 20100326
- 主分类号： H01F1/147
- IPC分类号： H01F1/147
摘要：
The present invention discloses a composite magnetic material. The composite magnetic material may comprise an Nd—Fe—B alloy and a Fe-based soft magnetic alloy having the general formula of Fe100-x-y-zAxRaSiyBz. A may be at least one element selected from Cu and Au. R may be at least one element selected from the group consisting of Ti, Zr, Hf, Mo, Nb, Ta, W and V. And the x, a, y, and z may satisfy: 0≦x≦3, 0≦a≦10, 0≦y≦20 and 2≦z≦25. The present invention further discloses a method of preparing the composite magnetic material as described above. According to the present invention, the composite magnetic material may have an enhanced magnetic energy product and residual magnetism respectively.
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