发明名称 |
GRAIN-ORIENTED ELECTRICAL STEEL SHEET HAVING A LOW WATT LOSS AND METHOD FOR PRODUCING SAME |
摘要 |
Method for subdividing the magnetic domains of a grain-oriented electrical steel sheet is improved so that the watt loss can be further lessened and the watt-loss improving effect does not disappear during stress relief annealing. An intrudable means is formed on the finishing-annealed steel sheet on or in the vicinity of strain which promotes the intrusion of an intrudable means. Sb or Sb containing material is a preferred intrudable means and the laser irradiation is a preferred method for imparting the strain and also for attaining the removal of a surface coating. |
申请公布号 |
GB2167324(B) |
申请公布日期 |
1988.02.24 |
申请号 |
GB19850025352 |
申请日期 |
1985.10.15 |
申请人 |
* NIPPON STEEL CORPORATION |
发明人 |
TOSHIYA * WADA;OSAMU * TANAKA;TAKATOSHI * EGAWA;MAKOTO * YOSHIDA;SEIJUN * HIGUCHI;TERUAKI * IZAKI |
分类号 |
C21D8/12;H01F1/16 |
主分类号 |
C21D8/12 |
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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