Grain-oriented electrical steel sheet and manufacturing method thereof

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United States of America Patent

PATENT NO 10011886
SERIAL NO

14347759

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Abstract

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A grain-oriented electrical steel sheet to which electron beam irradiation is applied, has a film and a thickness of t (mm), wherein no rust is produced on a surface of the steel sheet after a humidity cabinet test lasting 48 hours at a temperature of 50° C. in an atmosphere of 98% humidity, and iron loss W17/50 after the electron beam irradiation is reduced by at least (−500 t2+200 t−6.5) % of the iron loss W17/50 before the electron beam irradiation and is (5 t2−2 t+1.065) W/kg or less.

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Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATION2-3 UCHISAIWAI-CHO 2-CHOME CHIYODA-KU TOKYO 1000011 ?1000011

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Hirotaka Tokyo, JP 45 206
Okabe, Seiji Tokyo, JP 63 362
Omura, Takeshi Tokyo, JP 65 449
Takajo, Shigehiro Tokyo, JP 49 133
Yamaguchi, Hiroi Tokyo, JP 53 254

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