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Title:
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/149340
Kind Code:
A1
Abstract:
A grain-oriented electrical steel sheet according to the present invention comprises a silicon steel sheet as a base steel sheet, wherein, if the average value of the amplitude in the 20-100μm wavelength range among the wavelength components obtained by performing Fourier analysis on a measurement cross-section curve parallel to the sheet width direction of the silicon steel sheet is ave-AMPC100, then ave-AMPC100 is 0.0001-0.050μm.

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Inventors:
USHIGAMI YOSHIYUKI (JP)
MIZOKAMI MASATO (JP)
OKADA SHINGO (JP)
ZAIZEN YOICHI (JP)
YAMAMOTO SHINJI (JP)
Application Number:
PCT/JP2020/001181
Publication Date:
July 23, 2020
Filing Date:
January 16, 2020
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C21D8/12; C22C38/00; C22C38/60; C23C22/00; H01F1/147
Domestic Patent References:
WO2018207873A12018-11-15
Foreign References:
JPH02263927A1990-10-26
JPH06136555A1994-05-17
JPH06346247A1994-12-20
JP2001152354A2001-06-05
KR20120075278A2012-07-06
JP2019005396A2019-01-17
JP2019005398A2019-01-17
JPS5224499B21977-07-01
JPH05311453A1993-11-22
JP2018062682A2018-04-19
JP2016047942A2016-04-07
JP2016047943A2016-04-07
Other References:
See also references of EP 3913092A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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