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Title:
ORIENTED ELECTROMAGNETIC STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/196704
Kind Code:
A1
Abstract:
Proposed is a method for improving film adhesiveness when performing a magnetic domain subdivision treatment. According to the present invention, the concentration of Mn+Fe in a ceramic underlying film in an oriented electromagnetic steel sheet is at least 0.05 mass%, and the Young's modulus of the underlying film is 108-144 GPa.

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Inventors:
WATANABE MAKOTO (JP)
YAMADA TAKUYA (JP)
Application Number:
PCT/JP2022/011728
Publication Date:
September 22, 2022
Filing Date:
March 15, 2022
Export Citation:
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Assignee:
JFE STEEL CORP (JP)
International Classes:
C21D8/12; C21D9/46; C22C38/00; C22C38/04; C22C38/60; C23C22/00; H01F1/147
Foreign References:
JP2012031515A2012-02-16
JP2014201806A2014-10-27
JPH06287764A1994-10-11
JP2016216779A2016-12-22
CN110643796A2020-01-03
JPH05117752A1993-05-14
JPH0941042A1997-02-10
JP2012052232A2012-03-15
JP6465054B22019-02-06
JP2015040799A2015-03-02
JP2012092409A2012-05-17
JP2005069917A2005-03-17
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
Download PDF:
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