发明名称 Grain-oriented electrical steel sheet having insulating film not containing chromium and insulating film agent of same
摘要 The present invention provides a grain-oriented electrical steel sheet product having a superior corrosion resistance, annealing resistance, film tension, and the like in insulating treatment based on a phosphate not containing chromium and a treatment agent for the same, so provides grain-oriented electrical steel sheet having an insulating film not containing chromium characterized by the insulating film containing a phosphate and one or more compounds selected from inorganic compounds of Fe, Ni, Co, Cu, Sr, and Mo in an amount, as metal elements, of 0.06 to 2.10 moles per mole of phosphate, and an insulating film agent of the same.
申请公布号 US7850792(B2) 申请公布日期 2010.12.14
申请号 US20050988577 申请日期 2005.07.14
申请人 NIPPON STEEL CORPORATION;NITTETSU PLANT DESIGNING CORPORATION 发明人 TANAKA OSAMU;FUJII NORIKAZU;FUJII HIROYASU;TAKEDA KAZUTOSHI
分类号 H01F1/18 主分类号 H01F1/18
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