发明名称 NONORIENTED SILICON STEEL SHEET EXCELLENT IN CORROSION RESISTANCE AFTER HEAT TREATED, AND HIGH STRENGTH NONORIENTED SILICON STEEL SHEET EXCELLENT IN CORROSION RESISTANCE AND MAGNETIC PROPERTY
摘要 <P>PROBLEM TO BE SOLVED: To provide a nonoriented silicon steel sheet for a high speed rotary motor excellent in the corrosion resistance of sheared edge parts after blanked, and further excellent in strength properties. <P>SOLUTION: The surface of a silicon steel sheet containing 0.2 to 4.0% Cu is coated with an insulating film mainly made up of one or more kinds of inorganic compounds selected from among a P compound, an Al compound and an Si compound. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2005120424(A) 申请公布日期 2005.05.12
申请号 JP20030356561 申请日期 2003.10.16
申请人 JFE STEEL KK 发明人 SASHI KAZUMICHI;KONO MASAAKI;FUJITA AKIO;KONO MASAKI
分类号 B05D5/12;B05D7/14;C21D9/46;C22C38/00;C22C38/16;C23C22/00;H01F1/16 主分类号 B05D5/12
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