Electromagnetic steel sheet

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United States of America Patent

PATENT NO 12125620
APP PUB NO 20220293312A1
SERIAL NO

17634321

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Abstract

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An electrical steel sheet includes a main surface and an end surface. The electrical steel sheet includes a base material part and an end surface nitrided layer that is provided on the end surface in a manner adjacent to the base material part and that contains nitrogen. The end surface nitrided layer has a surface hardness of 430 HV or more and 1250 HV or less. The end surface contains nitrogen in an amount higher than a nitrogen concentration at the main surface.

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Patent Owner(s)

Patent OwnerAddress
NISSAN MOTOR CO LTD2 TAKARA-CHO KANAGAWA-KU YOKOHAMA-SHI KANAGAWA 221-0023

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishikawa, Ichiro Kanagawa, JP 15 38
Noda, Takeshi Kanagawa, JP 106 8769
Ogawa, Kazuhiro Kanagawa, JP 128 3054

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