发明名称 ANISOTROPIC RARE EARTH PERMANENT MAGNET MATERIAL, MAGNETIC POWDER AND MAGNET INCLUDING SAME, AND THEIR MANUFACTURING METHODS
摘要 <P>PROBLEM TO BE SOLVED: To provide an anisotropic rare earth permanent magnet material. <P>SOLUTION: The anisotropic rare earth permanent magnet material having Th<SB>2</SB>Zn<SB>17</SB>type crystal structure is expressed by a general expression as (Sm<SB>1-&alpha;</SB>R<SB>&alpha;</SB>)&times;Fe<SB>100-x-y-z</SB>M<SB>y</SB>I<SB>z</SB>, where R is as single Pr or combination of Pr and other rare and earth elements, &alpha; as 0.01&le;&alpha;&le;0.30, M as selected from Si, Ti, V, Cr, Mn, Co, Ni, Cu, Zn, Nb, Mo, Al, and Zr, I as single N or combination of N and C, and x, y, z is expressed as 7&le;x&le;12, 0.01&le;y&le;8.0, and 6&le;z&le;14.4 in its respective atomic percentage. <P>COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008078610(A) 申请公布日期 2008.04.03
申请号 JP20070110646 申请日期 2007.04.19
申请人 PEKING UNIV 发明人 YANG YINGCHANG
分类号 H01F1/053;C01F17/00;C01G49/00;C08K3/08;C08L21/00;H01F1/08;H01F41/02 主分类号 H01F1/053
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