Rare earth iron carbon-based magnetic powder and its production method 发明申请

2023-09-23 3340 425K 0

申请日期	2025-06-29	申请号	JP2020152108
公开（公告）号	JP2022046184A	公开（公告）日	2022-03-23
公开国别	JP	申请人省市代码	全国
申请人	国立大学法人東北大学
简介	Problem : To provide samarium iron carbon (Sm2Fe17Cx) magnetic powder with excellent thermal stability and high magnetic properties. Solution : Compositions represented by samarium (Sm), iron (Fe), cobalt (Co), gallium (Ga) and carbon (C), and the general formula : Sm2Fe (17-m-n) ComGanCx (however, 2. 0≦m≦3． 5、1． 5≦n≦3． 0、1． 00≦x≦1． A rare earth iron carbon-based magnetic powder containing a rhombushed crystal-based Th2Zn17 type compound having 75) as the main phase. [Selection Figure]Figure 1

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