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RFeB SYSTEM SINTERED MAGNET 发明申请

2023-11-07 3380 622K 0

专利信息

申请日期 2025-07-10 申请号 US15503814
公开(公告)号 US20170278604A1 公开(公告)日 2017-09-28
公开国别 US 申请人省市代码 全国
申请人 INTERMETALLICS CO LTD
简介 An RFeB system sintered magnet which does not contain a heavy rare-earth element RH (Dy, Tb and Ho) in a practically effective amount and yet is suited for applications in which the magnet undergoes a temperature increase during its use. The RFeB system sintered magnet contains at least one element selected from the group consisting of Nd and Pr as a rare-earth element R in addition to Fe and B while containing none of Dy, Tb and Ho, the magnet having a temperature characteristic value t(100-23) which satisfies −0.58


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