Title:
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/138069
Kind Code:
A1
Abstract:
This grain-oriented electrical steel sheet comprises a base steel sheet, a forsterite primary coating disposed on the surface of the base steel sheet, and a phosphate-based tension-imparting coating that is disposed on the surface of the primary coating and does not contain chromium. The forsterite primary coating satisfies expressions (1) and (2) when Ti content and S content are represented by XTi and XS, respectively. Said grain-oriented electrical steel sheet is characterized in having undergone strain-introducing magnetic domain control. Expression (1) 0.10≦XTi/XS≦10.00 Expression (2) XTi+XS≧0.10 mass%
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Inventors:
ARAI SATOSHI (JP)
HAMAMURA HIDEYUKI (JP)
TAKEDA KAZUTOSHI (JP)
ARAMAKI TAKEO (JP)
TADA HIROTOSHI (JP)
HAMAMURA HIDEYUKI (JP)
TAKEDA KAZUTOSHI (JP)
ARAMAKI TAKEO (JP)
TADA HIROTOSHI (JP)
Application Number:
PCT/JP2019/050582
Publication Date:
July 02, 2020
Filing Date:
December 24, 2019
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C23C22/00; C21D8/12; C21D9/46; C22C38/00; C23C22/08; C23C22/74; H01F1/147; C22C38/60
Domestic Patent References:
| WO2008062853A1 | 2008-05-29 | |||
| WO2013175733A1 | 2013-11-28 |
Foreign References:
| JP2012214902A | 2012-11-08 | |||
| JP2018248167A | 2018-12-28 | |||
| JP6354957B2 | 2018-07-11 | |||
| JPS579631B2 | 1982-02-22 | |||
| JP6031951B2 | 2016-11-24 | |||
| JP2000169972A | 2000-06-20 | |||
| JP2000169973A | 2000-06-20 | |||
| JP2000178760A | 2000-06-27 | |||
| JPS5826406B2 | 1983-06-02 | |||
| JP3023242B2 | 2000-03-21 |
Other References:
K. KUROKI, J. APPL. PHYS, vol. 52, no. 3, 1981, pages 2422 - 2424i
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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