方向性電磁鋼板およびその製造方法

Title:

方向性電磁鋼板およびその製造方法

Document Type and Number:

Japanese Patent JP7260800

Kind Code:

B2

Abstract:

A grain-oriented electrical steel sheet according to the present invention includes a silicon steel sheet as a base steel sheet, and when an average value of amplitudes in a wavelength range of 20 to 100 µm among wavelength components obtained by performing Fourier analysis on a measured cross-sectional curve parallel to a sheet width direction of the silicon steel sheet is set as ave-AMP_C100, ave-AMP_C100 is 0.0001 to 0.050 µm.

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Inventors:

Ushigami Yoshiyuki
Masato Mizogami
Shingo Okada
Yoichi Zaizen
Shinji Yamamoto

Application Number:

JP2020566458A

Publication Date:

April 19, 2023

Filing Date:

January 16, 2020

Export Citation:

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Assignee:

Nippon Steel Corporation

International Classes:

C22C38/00; C21D8/12; C21D9/46; C22C38/60; C23C22/00; H01F1/147

Domestic Patent References:

JP2263927A
JP6136555A
JP6346247A
JP2001152354A

Foreign References:

WO2018207873A1
KR1020120075278A

Attorney, Agent or Firm:

Sumio Tanai
Mitsuo Teramoto
Tomomasa Katsumata
Hiroshi Yamaguchi

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