Non-oriented electrical steel sheet and method for producing same
US11948710B2 · kind B2 · utility
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3References
8Claims
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Key dates
| Filing date | Mar 30, 2022 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Mar 30, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A non-oriented electrical steel sheet according to an embodiment of the present invention is a non-oriented electrical steel sheet including a base metal steel sheet and a composite coating film that is formed on surfaces of the base metal steel sheet and includes Zn-containing phosphate and an organic resin, wherein the non-oriented electrical steel sheet contains crystalline aluminum phosphate showing diffraction lines belonging to ICDD No. 01-074-3256 when the composite coating film is measured by a wide-angle X-ray diffraction method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.