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RARE EARTH-TRANSITION METAL-BORON BASED MAGNET POWDER, ISOTROPIC BULK MAGNET AND METHOD FOR MANUFAC 发明申请

2023-11-07 1770 55K 0

专利信息

申请日期 2025-07-10 申请号 JP2017085561
公开(公告)号 JP2018186134A 公开(公告)日 2018-11-22
公开国别 JP 申请人省市代码 全国
申请人 MINEBEAMITSUMI INC
简介 PROBLEM TO BE SOLVED : To provide RE-T-B based magnet powder which can achieve a lower sintering temperature in manufacturing an isotropic bulk magnet. SOLUTION : RE-T-B based magnet powder according to an embodiment hereof is powder of a RE-T-B based magnet (RE represents a rare earth element, T represents Fe, or Fe and Co). The RE-T-B based magnet comprises RE of 15 atom% or more and 21 atom% or less. It is preferable that the RE represents a rare earth element including Nd. It is more preferable that The RE-T-B based magnet further comprises at least one element selected from a group consisting of Al, Si, Ti, V, Cr, Mn, Cu, Zn, Ga, Ge, Zr, Nb, Mo, In, Sn, Sb, Hf, Ta, W, Pb, Bi and C. SELECTED DRAWING : None COPYRIGHT : (C)2019, JPO&INPIT


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