| 申请日期 | 2025-08-17 | 申请号 | JP2015057079 |
| 公开（公告）号 | JP6432406B2 | 公开（公告）日 | 2018-12-05 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | 日立金属株式会社 | ||
| 简介 | PROBLEM TO BE SOLVED : To provide an alloy powder used for making a magnet having excellent magnetic properties.SOLUTION : This invention provides an R-T-B alloy powder in which a particle surface is covered with an R concentrated layer comprising at least one rare earth element of Nd, Pr, Dy, and Tb, and the content of the rare earth element in the R concentrated layer is in the range of 20 atom% or more and 32 atom% or less. | ||
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