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US 12,325,890 B2Granted
Annealing separator composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for manufacturing grain-oriented electrical steel sheet
AssigneePosco
InventorsMin Soo Han, Yunsu Kim, Jong-Tae Park
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Abstract
An oriented electrical steel sheet according to an embodiment of the present invention includes: a base texture; an AI permeation layer positioned on the base texture; and a film positioned on the AI permeation layer, wherein the AI permeation layer includes AI at 0.5 to 5 wt %, and the film includes an Al—Mg composite.
Claims6
An oriented electrical steel sheet comprising:
- a base texture;
- an AI permeation layer positioned on the base texture;
- and
- a film positioned on the AI permeation layer,
- wherein the AI permeation layer includes AI at 0.5 to 5 wt %, and
- the film includes an Al—Mg composite, and
- the film consists of 0.1 to 10 wt % of Al, 5 to 30 wt % of Mg, 0.1 to 20 wt % of Si, 10 to 55 wt % of O, and the balance of Fe.
4 more elements
Dependencies are inferred from the claim text.