Title:
ANNEALING SEPARATOR COMPOSITION FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET, GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2020/130643
Kind Code:
A1
Abstract:
A grain-oriented electrical steel sheet according to an embodiment of the present invention comprises a matrix structure, an Al permeation layer located on the matrix structure, and a coating film located on the Al permeation layer. The Al permeation layer comprises 0.5-5 weight% of Al, and the coating film comprises an Al-Mg composite.
Inventors:
HAN MIN SOO (KR)
KIM YUNSU (KR)
PARK JONG-TAE (KR)
KIM YUNSU (KR)
PARK JONG-TAE (KR)
Application Number:
PCT/KR2019/018030
Publication Date:
June 25, 2020
Filing Date:
December 18, 2019
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C21D8/12; C22C38/00; C22C38/02; C22C38/04; C22C38/06; C22C38/60; C23C10/50
Foreign References:
KR20180083295A | 2018-07-20 | |||
JPH07278827A | 1995-10-24 | |||
KR20180072465A | 2018-06-29 | |||
KR910018560A | 1991-11-30 | |||
KR20070086495A | 2007-08-27 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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