Annealing separator composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for manufacturing grain-oriented electrical steel sheet
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.
1. 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. The annealing separator composition of claim 1 , further comprising 1 to 10 parts by weight of a ceramic powder.
3. The annealing separator composition of claim 2 , wherein the ceramic powder is at least one of Al 2 O 3 , SiO 2 , TiO 2 , and ZrO 2 .
4. The annealing separator composition of claim 1 , further comprising 50 to 500 parts by weight of a solvent.
5. The annealing separator composition of claim 4 , further comprising
1 to 10 parts by weight of a ceramic powder.
6. The annealing separator composition of claim 5 , wherein the ceramic powder is at least one of Al 2 O 3 , SiO 2 , TiO 2 , and ZrO 2 .