| 申请日期 | 2025-09-14 | 申请号 | JP2018013691 |
| 公开（公告）号 | JP6503483B2 | 公开（公告）日 | 2019-04-17 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | GRIREM ADVANCED MATERIALS CO LTD | ||
| 简介 | Provided are a highly thermostable rare-earth permanent magnetic material, a preparation method thereof and a magnet containing the same. A composition of the rare-earth permanent magnetic material by an atomic percentage is as follows : SMxRaFe100-x-y-z-aMyNz, wherein R is at least one of Zr and Hf, M is at least one of Co, Ti, Nb, Cr, V, Mo, Si, Ga, Ni, Mn and Al, x+a is 7-10%, a is 0-1.5%, y is 0-5% and z is 10-14%. | ||
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