发明名称 RARE-EARTH-IRON-NITROGEN MAGNETIC MATERIAL AND BOND MAGNET USING IT
摘要 <P>PROBLEM TO BE SOLVED: To provide a rare-earth-iron-nitrogen magnetic material which shows oxidation resistance and superior magnetic properties, and particularly has high saturation magnetization, and to provide a bond magnet using it. <P>SOLUTION: The rare-earth-iron-nitrogen magnet material to be used is expressed by general formula: R<SB>a</SB>Fe<SB>(100-a-b-c-d)</SB>Mn<SB>b</SB>M<SB>c</SB>N<SB>d</SB>(wherein, R is one or more elements selected among rare earth elements; M is one or more elements selected among the group consisting of Ni, Cu, Co, Cr and V; and a, b, c and d are atomic percentage while they must satisfy the following four requirements: 3&le;a&le;20, 0.01&le;b<0.5, 0.01&le;c&le;25 and 17&le;d&le;25). <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005042156(A) 申请公布日期 2005.02.17
申请号 JP20030202466 申请日期 2003.07.28
申请人 SUMITOMO METAL MINING CO LTD 发明人 IZEKI TAKASHI;ISHIKAWA TAKASHI
分类号 C22C38/00;H01F1/053;H01F1/08 主分类号 C22C38/00
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