发明名称 |
High coercivity rare earth-iron magnets |
摘要 |
Ferromagnetic compositions having intrinsic magnetic coercivities at room temperature of at least 1,000 Oersteds are formed by the controlled quench of molten rare earth-transition metal alloys. Hard magnets may be inexpensively formed from the lower atomic weight lanthanide elements and iron.
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申请公布号 |
US4496395(A) |
申请公布日期 |
1985.01.29 |
申请号 |
US19810274070 |
申请日期 |
1981.06.16 |
申请人 |
GENERAL MOTORS CORPORATION |
发明人 |
CROAT, JOHN J. |
分类号 |
C22C1/02;B22D11/06;C22C1/00;C22C28/00;C22C38/00;C22C45/00;C22C45/02;C22C45/04;H01F1/04;H01F1/053;H01F1/055;(IPC1-7):C22C33/00 |
主分类号 |
C22C1/02 |
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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