申请日期 | 2025-07-09 | 申请号 | JP2017511408 |
公开(公告)号 | JPWO2016162990A1 | 公开(公告)日 | 2017-08-17 |
公开国别 | JP | 申请人省市代码 | 全国 |
申请人 | 株式会社日立製作所 | ||
简介 | When a non-equilibrium ThMn12-type intermetallic compound formed by rapid quenching is converted into a magnet, no low melting liquid phase is formed so that there is a problem in densification. In the present invention, a liquid phase with a melting point of about 820°C can be formed by adding a trace amount of Cu to a quaternary system comprising Sm-Y-Fe-Co as main components and thus densification can be promoted in the process of producing a bulk magnet. |
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