Title:
方向性電磁鋼板
Document Type and Number:
Japanese Patent JP6876280
Kind Code:
B2
Abstract:
A grain-oriented electrical steel sheet includes a steel sheet and an amorphous oxide layer that is formed on the steel sheet, in which the steel sheet includes, as a chemical composition, by mass%, C: 0.085% or less, Si: 0.80% to 7.00%, Mn: 1.50% or less, acid-soluble Al: 0.065% or less, S: 0.013% or less, Cu: 0% to 0.80%, N: 0% to 0.012%, P: 0% to 0.50%, Ni: 0% to 1.00%, Sn: 0% to 0.30%, Sb: 0% to 0.30%, and a remainder of Fe and impurities, and a NSIC value of a surface is 4.0% or more, the NSIC value being obtained by measuring an image clearness of the surface using an image clearness measuring device.
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Inventors:
Takaya Shinsuke
Kenichi Murakami
Yoshiyuki Ushigami
Shunsuke Okumura
Shoji Nagano
Kenichi Murakami
Yoshiyuki Ushigami
Shunsuke Okumura
Shoji Nagano
Application Number:
JP2019529820A
Publication Date:
May 26, 2021
Filing Date:
July 13, 2018
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C23C22/00; C22C38/00; C22C38/60; C23C8/18
Domestic Patent References:
| JP6184762A | ||||
| JP2009228117A | ||||
| JP2010040666A |
Attorney, Agent or Firm:
Sumio Tanai
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi
Mitsuo Teramoto
Tomoo Katsumata
Hiroshi Yamaguchi