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Title:
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2017/130980
Kind Code:
A1
Abstract:
Through the present invention, excellent low-noise properties and low iron loss characteristics are obtained. A grain-oriented electrical steel sheet having magnetic domains subdivided by electron beam irradiation, the grain-oriented electrical steel sheet having 0.1 to 0.7 times the residual magnetic flux density thereof prior to electron beam irradiation and 1.1 to 2.0 times the maximum magnetizing force thereof prior to electron beam irradiation when the maximum magnetic flux density is 1.7 T.

Inventors:
OMURA Takeshi (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo 11, 〒1000011, JP)
TAKAJO Shigehiro (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo 11, 〒1000011, JP)
INOUE Hirotaka (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo 11, 〒1000011, JP)
Application Number:
JP2017/002381
Publication Date:
August 03, 2017
Filing Date:
January 24, 2017
Export Citation:
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Assignee:
JFE STEEL CORPORATION (2-3 Uchisaiwai-cho 2-chome, Chiyoda-ku Tokyo, 11, 〒1000011, JP)
International Classes:
C21D8/12; B23K15/00; H01F1/147
Domestic Patent References:
2014-05-08
2013-07-04
Foreign References:
JP2015161024A2015-09-07
JP2013159850A2013-08-19
JPS60136142A1985-07-19
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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