| 发明名称 |
Process for the preparation of permanent magnets based on neodymium-iron-boron |
| 摘要 |
PCT No. PCT/FR90/00452 Sec. 371 Date Dec. 12, 1991 Sec. 102(e) Date Dec. 12, 1991 PCT Filed Jun. 21, 1990 PCT Pub. No. WO91/00602 PCT Pub. Date Jan. 10, 1991.The present invention is a process for the preparation of copper-neodymium-iron-boron permanent magnets. The process comprises forging a cast bulk copper-neodymium-iron-boron alloy in a temperature range in which the alloy exists in two phases, a first solid phase and a second liquid phase.
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| 申请公布号 |
US5356489(A) |
申请公布日期 |
1994.10.18 |
| 申请号 |
US19910777547 |
申请日期 |
1991.12.12 |
| 申请人 |
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE AND LA PIERRE SYNTHETIQUE BALKIWSKI |
发明人 |
NOZIERES, JEAN P.;DE LA BATHIE, RENE P.;LELIEVRE, MARC |
| 分类号 |
C22C33/02;B22F3/14;B22F3/15;C21D6/00;C21D8/12;H01F1/053;H01F1/057;(IPC1-7):H01F1/02 |
主分类号 |
C22C33/02 |
| 代理机构 |
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| 主权项 |
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