Method of producing non-oriented magnetic steel plate having high magnetic flux density and uniform magnetic properties through the thickness direction
US5037493A · kind A · utility
5Cited by
1References
15Claims
0Family size
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Key dates
| Filing date | Mar 13, 1990 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Mar 13, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D8/1222
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of producing non-oriented magnetic steel plate that comprises hot-rolling high-purity steel and adjusting the grain size together with the dehydrogenation treatment to produce a uniform ferrite grain diameter and impart uniform magnetic properties in a low magnetic field through the thickness direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.