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US 11,685,962 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 annealing separator composition for a grain-oriented electrical steel sheet according to an embodiment of the present invention includes: 100 parts by weight of at least one of a magnesium oxide and a magnesium hydroxide; and 30 to 250 parts by weight of a metal hydroxide including at least one of a nickel hydroxide and a cobalt hydroxide, wherein an average particle diameter of the metal hydroxide is 0.01 to 80 μm.
Claims6
An annealing separator composition for a grain-oriented electrical steel sheet, comprising:
- 100 parts by weight of at least one of a magnesium oxide and a magnesium hydroxide;
- and
- 30 to 250 parts by weight of a metal hydroxide including a nickel hydroxide and a cobalt hydroxide,
- wherein an average particle diameter of the metal hydroxide is 0.01 to 80 μm,
- wherein the metal hydroxide includes 30 to 150 parts by weight of the nickel hydroxide and 30 to 150 parts by weight of the cobalt hydroxide.
2 more elements
Dependencies are inferred from the claim text.