申请日期 | 2025-07-07 | 申请号 | WOCN20097637 |
公开(公告)号 | WO2021258280A1 | 公开(公告)日 | 2021-12-30 |
公开国别 | WO | 申请人省市代码 | 全国 |
申请人 | NINGBO INSTITUTE OF MATERIALS TECHNOLOGY ENGINEERING CHINESE ACADEMY OF SCIENCES | ||
简介 | Provided are a heavy rare earth-free high-performance neodymium-iron-boron permanent magnet material and a preparation method therefor. The preparation method comprises : providing an anisotropic magnet material, the chemical formula thereof being (Nd, Pr)xFe(100-x-y-z)ByMz, in which 28.5%≤x≤29%, 0.86%≤y≤0.92%, and 0 |
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