Grain Oriented Electrical Steel Sheet And Manufacturing Method For Same

Abstract: A grain-oriented electrical steel sheet according to an embodiment of the present invention comprises: an electrical steel sheet substrate; and an insulation coating layer located on the electrical steel sheet substrate, at least one linear deformation portion being present in the surface of the insulation coating layer, wherein a re-solidification layer is formed at any one location of the front and rear boundaries of the deformation portion, and in the thickness direction of the insulation coating layer, the P concentration in the re-solidification layer is lower than the P concentration in the insulation coating layer below, where a re-solidification layer is not formed.

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