Title:
ORIENTED ELECTROMAGNETIC STEEL SHEET, AND MANUFACTURING METHOD OF ORIENTED ELECTROMAGNETIC STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2019/013347
Kind Code:
A1
Abstract:
This oriented electromagnetic steel sheet comprises a steel sheet 1, an intermediate layer 4 arranged on the steel sheet and containing Si and O, and an insulation film 3 arranged on the intermediate layer, wherein the intermediate layer 4 contains metal phosphide 5, the thickness of the intermediate layer 4 is greater than or equal to 4 nm, and, in a cross-section of the intermediate layer 4, the amount of the metal phosphide 5 is 1-30% in cross-sectional area percentage.
Inventors:
TAKEBAYASHI SEIKI (JP)
NAKAMURA SHUICHI (JP)
FUJII HIROYASU (JP)
USHIGAMI YOSHIYUKI (JP)
NAKAMURA SHUICHI (JP)
FUJII HIROYASU (JP)
USHIGAMI YOSHIYUKI (JP)
Application Number:
PCT/JP2018/026611
Publication Date:
January 17, 2019
Filing Date:
July 13, 2018
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
C23C22/00; H01F1/147; C21D9/46; C22C38/00; C22C38/60
Foreign References:
| JPS62103374A | 1987-05-13 | |||
| JPS62218582A | 1987-09-25 | |||
| JP2017137419A | 2017-08-10 | |||
| JPS4996920A | 1974-09-13 | |||
| JPH05279747A | 1993-10-26 | |||
| JPH06184762A | 1994-07-05 | |||
| JPH0978252A | 1997-03-25 | |||
| JPH07278833A | 1995-10-24 | |||
| JPH08191010A | 1996-07-23 | |||
| JPH03130376A | 1991-06-04 | |||
| JPH11209891A | 1999-08-03 | |||
| JP2004315880A | 2004-11-11 | |||
| JP2002322566A | 2002-11-08 | |||
| JP2002363763A | 2002-12-18 | |||
| JP2003313644A | 2003-11-06 | |||
| JP2003171773A | 2003-06-20 | |||
| JP2002348643A | 2002-12-04 |
Other References:
See also references of EP 3653752A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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