FIELD: metallurgy.
SUBSTANCE: sheet of non-oriented electrical steel. Non-oriented electrical steel sheet, which is an electrical steel sheet with an insulating coating on at least one surface of the steel sheet, where the insulating coating has a P-concentration layer on the side of the surface and on the side of the interface with the steel substrate, and the concentration of P in the P-concentration layer is higher than the concentration of P in the steel substrate.
EFFECT: electrical steel sheet has high adhesion with the insulating coating, even if the thickness of the insulating coating is reduced.
15 cl, 1 dwg, 2 tbl
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Year |
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