发明名称 |
ND-FE-B PERMANENT MAGNETIC MATERIAL AND PREPARATION METHOD THEREOF |
摘要 |
The present disclosure discloses a permanent magnetic material comprising an Nd—Fe—B alloy and an additive including at least a cobalt ferrite, and a method for preparing a permanent magnetic material. The method comprises steps of mixing an Nd—Fe—B alloy and an additive including at least a cobalt ferrite to obtain a mixture; magnetically orienting and pressing the mixture in a magnetic filed; and sintering and tempering the mixture under the protection of vacuum or an inert gas. |
申请公布号 |
EP2436016(A4) |
申请公布日期 |
2012.10.31 |
申请号 |
EP20100780039 |
申请日期 |
2010.05.17 |
申请人 |
BYD COMPANY LIMITED |
发明人 |
GONG, QING;ZHANG, ZHIQIANG;ZHANG, SURONG;DU, XIN;CHENG, XIAOFENG |
分类号 |
H01F1/057;H01F1/08;H01F41/02 |
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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