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Sintered Magnet and Rotating Machine Equipped with the Same 发明申请

2023-10-02 4330 1202K 0

专利信息

申请日期 2025-07-09 申请号 US12543068
公开(公告)号 US20100079025A1 公开(公告)日 2010-04-01
公开国别 US 申请人省市代码 全国
申请人 Hiroyuki Suzuki; Takao Imagawa; Yuichi Satsu; Matahiro Komuro; Takashi Yasuhara; Yutaka Matsunobu
简介 A sintered magnet and a rotating machine equipped therewith are disclosed, which include : crystal grains of a ferromagnetic material consisting mainly of iron, and a fluoride compound or an oxyfluoride compound, containing at least one element selected from the group consisting of an alkali metal element, an alkaline earth metal element, and a rare earth element, the fluoride compound or the oxyfluoride compound being formed inside some of the crystal grains or in a part of a grain boundary part. The oxyfluoride compound or the fluoride compound contains carbon, and a grain boundary width of the ferromagnetic material is smaller than a grain boundary width of the ferromagnetic material in which the fluoride compound or the oxyfluoride compound is formed.


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