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公开(公告)号：US20230352220A1
公开(公告)日：2023-11-02
申请号：US18127338
申请日：2023-03-28
发明人： Hiroshi BABA , Hiroki IIDA , Mikio YOSHIDA , Koichi HIROTA
CPC分类号： H01F1/0536 , H01F1/0556
摘要： In a sintered rare-earth magnet containing R2T14B main-phase grains (R being one or more element selected from rare-earth elements and T being one or more element selected from iron group elements), intergranular grain boundaries that from between two mutually adjoining main-phase grains and grain boundary triple junctions surrounded by three or more main-phase grains, the main-phase grains, the intergranular grain boundaries and the grain boundary triple junctions all include TiB2 crystals. The sintered rare-earth magnet is a to high-performance magnet of high coercivity and good squareness.
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