| 申请日期 | 2025-06-25 | 申请号 | KR1020050130518 |
| 公开（公告）号 | KR101227273B1 | 公开（公告）日 | 2013-01-22 |
| 公开国别 | KR | 申请人省市代码 | 全国 |
| 申请人 | SHIN ETSU CHEMICAL CO LTD | ||
| 简介 | A rare earth permanent magnet material is based on an R-Fe-Co-B-Al-Cu system wherein R is at least one element selected from Nd, Pr, Dy, Tb, and Ho, 15 to 33% by weight of Nd being contained. At least two compounds selected from M-B, M-B-Cu and M-C compounds (wherein M is Ti, Zr or Hf) and an R oxide have precipitated within the alloy structure as grains having an average grain size of up to 5 µm which are uniformly distributed in the alloy structure at intervals of up to 50 µm. | ||
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