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METHOD FOR MANUFACTURING MAGNETIC POWDER 发明申请

2022-05-31 4490 3803K 0

专利信息

申请日期 2024-11-29 申请号 WOKR21014392
公开(公告)号 WO2022080963A1 公开(公告)日 2022-04-21
公开国别 WO 申请人省市代码 全国
申请人 INDUSTRY UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
简介 A method for manufacturing magnetic powder is provided. The method for manufacturing magnetic powder may comprise the steps of : preparing base powder by crushing mixed powder in which first source powder including a rare earth element, second source powder including a metal element, and an additive including calcium are mixed; calcining the base powder to manufacture preliminary magnetic powder which includes calcium monoxide (CaO), which is obtained through pyrolysis of the additive, and reactants of the second source powder; and reducing the preliminary magnetic powder to manufacture magnetic powder having a single-phase compound of the rare earth element and the metal element.


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