发明名称 |
Hard magnetic materials and method of producing the same |
摘要 |
Hard magnetic materials of the present invention contain at least one element of Fe, Co and Ni as a main component, at least one element M of Zr, Nb, Ta and Hf, at least one rare earth element R and B. The texture of the materials has at least 70% of fine crystalline phase having an average grain size of 100 nm or less, and the residue having an amorphous phase, the fine crystalline phase mainly composed of bcc-Fe or bcc-Fe compound, Fe-B compound and/or R2Fe14B1.
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申请公布号 |
US6004407(A) |
申请公布日期 |
1999.12.21 |
申请号 |
US19960717468 |
申请日期 |
1996.09.20 |
申请人 |
ALPS ELECTRIC CO., LTD.;INOUE, AKIHISA;MASUMOTO, TSUYOSHI |
发明人 |
KOJIMA, AKINOBU;MAKINO, AKIHIRO;INOUE, AKIHISA;MASUMOTO, TSUYOSHI |
分类号 |
H01F1/057;(IPC1-7):H01F1/057 |
主分类号 |
H01F1/057 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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