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Title:
NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/210962
Kind Code:
A1
Abstract:
This non-oriented electromagnetic steel sheet comprises a parent-material steel sheet and an insulating film formed on the surface of the parent-material steel sheet. The insulating film contains a metal phosphate and an organic resin. The moisture content of the insulating film is 0.003-0.03 wt%. The contact angle of water on the insulating film is 55-85°.

Inventors:
TAKEDA KAZUTOSHI (JP)
FUKUCHI MINAKO (JP)
TAKATANI SHINSUKE (JP)
Application Number:
PCT/JP2022/016264
Publication Date:
October 06, 2022
Filing Date:
March 30, 2022
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C21D9/46; C22C38/00; C22C38/06; C23C22/00; H01F1/147
Domestic Patent References:
WO2021054450A12021-03-25
WO2012057168A12012-05-03
Foreign References:
JP2002249881A2002-09-06
JP2009155707A2009-07-16
JP2008303411A2008-12-18
JPH0238581A1990-02-07
JP2021060409A2021-04-15
JP2011252191A2011-12-15
JPH0516849B21993-03-05
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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