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Rare earth permanent magnet and method for producing rare earth permanent magnet 发明申请

2023-05-03 2970 2932K 0

专利信息

申请日期 2025-07-10 申请号 KR1020197015115
公开(公告)号 KR1020190077021A 公开(公告)日 2019-07-02
公开国别 KR 申请人省市代码 全国
申请人 IHI CORP
简介 A rare earth permanent magnet includes a main phase containing : a rare earth element R of one or more types including Nd; an element L of one or more types selected from a group consisting of Co, Be, Li, Al, and Si; B; and Fe, wherein crystals which form the main phase belong to P4/mnm; some of B atoms occupying a 4f site of the crystals are substituted with atoms of the element L; each distribution of Nd atoms and the atoms of the element L appears along a C-axis direction of the crystals in a plurality of cycles; and the rare earth permanent magnet includes an area where a cycle of the atoms of the element L matches a cycle of the Nd atoms.


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