Silicon steel sheets having low iron loss and method of...

Details Silicon steel sheets having low iron loss and method of... Silicon steel sheets having low iron loss and method of...

C - Chemistry, Metallurgy

21

D

148/8

C21D 8/12 (2006.01) H01F 1/147 (2006.01) H01F 1/18 (2006.01)

Patent

CA 1332345

SILICON STEEL SHEETS HAVING LOW IRON LOSS AND METHOD OF PRODUCING THE SAME Abstract of the Disclosure A silicon-containing steel sheet having a low iron loss has such a crystal structure that crystal grains having an inclination angle of {110} face of not more than 10° with respect to the sheet surface are included in an amount of not less than 80 vol% and exhibit a graining surface pattern in which boundaries of these crystal grains form stepwise difference or groove of not less than 0.4 µm as a maximum height. This sheet is produced by subjecting a grain oriented silicon steel sheet after final annealing to a magnetically smoothening treatment by electrolysis in an aqueous solution containing at least one of water soluble halides.

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