发明名称 METHOD FOR MANUFACTURING SINTERED COMPOSITE SOFT MAGNETIC MATERIAL SUPERIOR IN SPECIFIC RESISTANCE AND MECHANICAL STRENGTH
摘要 PROBLEM TO BE SOLVED: To provide a method for manufacturing a sintered composite soft magnetic material which excels in the specific resistance and mechanical strength. SOLUTION: Soft magnetic metallic powder or oxidized soft magnetic metallic powder is added with Mg powder to obtain a mixed powder. The mixed powder is heated to a temperature of 150-1100°C and in a vacuum of 1×10<SP>-12</SP>-1×10<SP>-1</SP>MPa pressure or in an inert gas atmosphere, to make magnesium-coated soft magnetic powder, and the magnesium-coated soft magnetic powder is left in an oxidizing atmosphere or is heated therein, to produce a magnesium oxide-coated soft magnetic powder. The magnesium oxide-coated soft magnetic powder is added and mixed with silicon oxide to make a mixture, and the mixture is compressed and molded to produce a compact, and thereafter the compact is baked. COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006108223(A) 申请公布日期 2006.04.20
申请号 JP20040289966 申请日期 2004.10.01
申请人 MITSUBISHI MATERIALS CORP 发明人 WATANABE MUNEAKI;NAKAYAMA RYOJI
分类号 H01F1/33;B22F1/02;C22C33/02;H01F1/24 主分类号 H01F1/33
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