Title:
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/130645
Kind Code:
A1
Abstract:
A grain-oriented electrical steel sheet according to one embodiment of the present invention comprises a plurality of linearly deformed parts formed along the rolling direction on the surface of the steel sheet, wherein a space between the deformed parts is changed in response to the grain size of a grain over the entire length of the steel sheet, and there are at least two areas having different spaces between the deformed parts.
Inventors:
PARK SE-MIN (KR)
LEE JU SEUNG (KR)
LEE JU SEUNG (KR)
Application Number:
PCT/KR2019/018033
Publication Date:
June 25, 2020
Filing Date:
December 18, 2019
Export Citation:
Assignee:
POSCO (KR)
International Classes:
H01F1/16; H01F41/02
Foreign References:
| KR20140103973A | 2014-08-27 | |||
| KR20160053712A | 2016-05-13 | |||
| JPH08145953A | 1996-06-07 | |||
| KR20140103995A | 2014-08-27 | |||
| KR20140109409A | 2014-09-15 |
Other References:
See also references of EP 3901971A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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