| 发明名称 |
PROCESS FOR PREPARING RARE EARTH MAGNETS |
| 摘要 |
Disclosed is a method of producing a rare earth permanent magnet, comprising: obtaining a NdFeB sintered magnet; applying a mixed powder including a Zn-containing metal and a metal compound containing Tb or Dy onto a surface of the sintered magnet; and heat-treating the sintered magnet having the mixed powder applied on its surface. |
| 申请公布号 |
US2015187494(A1) |
申请公布日期 |
2015.07.02 |
| 申请号 |
US201414513789 |
申请日期 |
2014.10.14 |
| 申请人 |
Hyundai Motor Company |
发明人 |
Lee Jae Ryung;Park Kun Min;Chung Yen Jun |
| 分类号 |
H01F41/02;H01F41/00;H01F7/02;H01F1/057 |
主分类号 |
H01F41/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method of producing a rare earth permanent magnet, comprising:
obtaining a NdFeB sintered magnet; applying a mixed powder including a Zn-containing metal and a metal compound containing Tb or Dy onto a surface of the sintered magnet; and heat-treating the sintered magnet having the mixed powder applied on its surface. |
| 地址 |
Seoul KR |
