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公开(公告)号:US20200312548A1
公开(公告)日:2020-10-01
申请号:US16903472
申请日:2020-06-17
申请人: ABB Schweiz AG
发明人: Lavinia Scherf , Jacim Jaci movie , Darren Tremelling , Lorenz Herrmann , Thomas Christen , Jari Jappinen , Taina Suontausta
摘要: A method for manufacturing a multicomponent permanent magnet, and a multicomponent permanent magnet are proposed. The multicomponent permanent magnet has a first permanent magnet having a R-T-B-composition, wherein R is at least one selected from the group consisting of Y, Ce, La, Pr, Nd, Sm, Eu and Gd and T is one or more transition metal elements including Fe; and a second permanent magnet having a R-T-B-composition, wherein R is at least one selected from the group consisting of Y, Ce, La, Pr, Nd, Sm, Eu and Gd and T is one or more transition metal elements including Fe, the second magnet including at least one of a heavy rare earth element (HRE) and an increased amount of Ce and/or Co, the second magnet having different magnetic properties, in particular a higher coercivity, than the first magnet. The first magnet and the second magnet are connected mechanically, wherein the connection is electrically conductive with an adjusted electrical resistivity.