客服热线:18202992950

R-T-B sintered magnet 发明授权

2022-12-28 2600 232K 0

专利信息

申请日期 2025-06-26 申请号 JP2007541538
公开(公告)号 JP4103938B1 公开(公告)日 2008-06-18
公开国别 JP 申请人省市代码 全国
申请人 Hitachi Metals Ltd5083
简介 An R-T-B based sintered magnet according to the present invention has a composition comprising : 12 at% to 17 at% of a rare-earth element R; 5.0 at% to 8.0 at% of boron B; 0.1 at% to 1.0 at% of Al; 0.02 at% to less than 0.5 at% of Mn; and a transition metal T as the balance. The rare-earth element R is at least one element selected from the rare-earth elements, including Y (yttrium), and includes at least one of Nd and Pr. The transition element T includes Fe as its main element.


您还没有登录,请登录后查看下载地址


反对 0举报 0 收藏 0 打赏 0评论 0
下载排行
网站首页  |  关于我们  |  联系方式  |  使用协议  |  版权隐私  |  网站地图  |  排名推广  |  广告服务  |  积分换礼  |  网站留言  |  RSS订阅  |  违规举报  |  京ICP备2021025988号-4