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Rare earth permanent magnet powder, the bonded magnet and bonded magnet applying device 发明授权

2023-07-02 4140 248K 0

专利信息

申请日期 2025-07-09 申请号 JP2015518772
公开(公告)号 JP5982567B2 公开(公告)日 2016-08-31
公开国别 JP 申请人省市代码 全国
申请人 GRIREM ADVANCED MATERIALS CO LTD
简介 The application discloses a rare-earth permanent magnetic powder, a bonded magnet, and a device using the bonded magnet. The rare-earth permanent magnetic powder comprises 4 to 12 at. % of Nd, 0.1 to 2 at. % of C, 10 to 25 at. % of N and 62.2 to 85.9 at. % of T, wherein T is Fe or FeCo and the main phase of the rare-earth permanent magnetic powder is a hard magnetic phase with a TbCu7 structure. Material volatilization can be avoided effectively during a preparation process of the rare earth permanent magnetic powder, thus improving the wettability with a water-cooling roller during the preparation process and final prepared materials are provided with good magnetic properties.


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