申请日期 | 2025-06-25 | 申请号 | US13235679 |
公开(公告)号 | US20120242180A1 | 公开(公告)日 | 2012-09-27 |
公开国别 | US | 申请人省市代码 | 全国 |
申请人 | Yosuke Horiuchi; Shinya Sakurada; Tsuyoshi Kobayashi; Keiko Okamoto; Masaya Hagiwara | ||
简介 | In an embodiment, a permanent magnet includes a composition of RpFeqZrrMsCutCo100-p-q-r-s-t (R : rare-earth element, M : at least one element selected from Ti and Hf, 10≦p≦15, 24≦q≦40.5, 1.5≦r≦4.5, 0≦s≦3, 1.5≦r+s≦4.5, and 0.8≦t≦13.5 (atomic %)). The permanent magnet has a texture including a main phase which is formed of a Th2Zn17 type crystal phase, and a grain boundary phase which has a crystal phase having a Zr concentration of from 4 atomic % or more to 35 atomic % or less. |
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