Carbide-free bainite and retained austenite steels, producing method and applications of same

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United States of America Patent

PATENT NO 11920209
APP PUB NO 20210047705A1
SERIAL NO

16969318

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Abstract

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One aspect, this invention relates to a carbide-free bainite and retained austenite steel including a composition designed and processed such that the carbide-free bainite and retained austenite steel meets property objectives comprising a yield strength in a range of about 1000-2000 MPa, a uniform ductility, a desired total elongation and hole-expansion ratio, a desired level of weldability and an austenite stability designed to have an austenite start temperature Msσ to be equal to an application temperature in range from about 50° C. to −50° C. The property objectives are design specifications of the carbide-free bainite and retained austenite steel.

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Patent Owner(s)

Patent OwnerAddress
NORTHWESTERN UNIVERSITY633 CLARK STREET EVANSTON IL 60208

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nishioka, Kazuhiko Evanston, US 9 4
Olson, Gregory B Riverswood, US 39 224

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