Annealing separator composition for oriented electrical steel sheet, oriented electrical steel sheet, and method for manufacturing oriented electrical steel sheet
US11168376B2 · kind B2 · utility
1Cited by
2References
8Claims
0Family size
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Key dates
| Filing date | Dec 20, 2017 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | May 1, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/14783
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides an annealing separator composition for a grain-oriented electrical steel sheet, a grain-oriented electrical steel sheet and a method for manufacturing a grain-oriented electrical steel sheet. An annealing separator composition for a grain-oriented electrical steel sheet according to an embodiment of the present invention comprises: 100 parts by weight of at least one of magnesium oxide and magnesium hydroxide; 5 to 200 parts by weight of aluminum hydroxide; and 0.1 to 20 parts by weight of a boron compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.