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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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