Extra-low iron loss grain oriented silicon steel sheets
AssigneeKawasaki Steel Corporation
InventorsYukio Inokuti, Yo Ito
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Abstract
An extra-low iron loss grain oriented silicon steel sheet comprises a base metal of silicon steel and a thin coat of nitride or carbide of Ti, Zr, Hf, V, Nb, Ta, Mn, Cr, Mo, W, Co, Ni, Al, B and Si and strongly adhered to a finished surface of the base metal through a mixed layer of the base metal and the thin coat, and has excellent electrical and magnetic properties as well as good compressive stress dependence of magnetostriction and lamination factor.
Claims12
An extra-low iron loss grain oriented silicon steel sheet comprising a base metal of grain oriented silicon steel and a thin coat of at least one layer composed of at least one of nitrides and carbides of Ti, Zr, Hf, V, Nb, Ta, Mn, Cr, Mo, W, Co, Ni, Al, B and Si and strongly adhered to all finished surfaces of the base metal through a mixed layer of the base metal and the thin coat, and having a thickness of 0.005-2 .mu.m.
Dependencies are inferred from the claim text.