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A method of manufacturing a rare earth magnet 发明授权

2023-01-20 2350 180K 0

专利信息

申请日期 2025-07-11 申请号 JP07293617
公开(公告)号 JP4048568B2 公开(公告)日 2008-02-20
公开国别 JP 申请人省市代码 全国
申请人 SHOWA DENKO KK
简介 PROBLEM TO BE SOLVED : To obtain an alloy capable of controlling the dispersion of magnetic properties and further improving magnetic properties by preparing a permanent magnet alloy, particularly Sm-Co alloy, in which distances between leading phases of the whole ingot are properly arranged and segregation is reduced. SOLUTION : Centrifugal casting is performed under the condition of <=0.5cm/ sec average accumulation rate, by which the permanent magnet alloy having a structure in which the distances between leading phases of the whole ingot are regulated to <=200μm is obtained.


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