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MANUFACTURING METHOD OF ANISOTROPIC RARE EARTH MAGNET 发明申请

2023-10-22 2190 61K 0

专利信息

申请日期 2025-07-04 申请号 JP2010159686
公开(公告)号 JP2012023190A 公开(公告)日 2012-02-02
公开国别 JP 申请人省市代码 全国
申请人 TOYOTA MOTOR CORP
简介 PROBLEM TO BE SOLVED : To provide a production method of a novel NdFeB-based magnet having a coercive force at higher temperatures, by densifying to bulk through sintering without adding a large amount of a rare metal such as Dy, Tb, and Co. SOLUTION : The manufacturing method of an anisotropic rare earth magnet comprises processes of : quenching a molten metal to make an amorphous organization : sintering a quenching thin band (hereinafter, described as a quenched ribbon in some cases) of the obtained amorphous organization; and crystallizing and making it anisotropic by a heating during a hot processing. COPYRIGHT : (C)2012, JPO&INPIT


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