High toughness secondary hardening steel

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United States of America Patent

PATENT NO 9359653
APP PUB NO 20130228253A1
SERIAL NO

13881344

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Abstract

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A secondary hardening steel alloy substantially lacking Cobalt is disclosed. In spite of the substantial lack of Cobalt, a steel alloy of the present disclosure has a low Stage II crack growth, and a high fracture toughness. Applications of a steel alloy of the present disclosure include structural applications, including aircraft landing gear.

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Patent Owner(s)

  • CARNEGIE MELLON UNIVERSITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Garrison,, Jr Warren M Pittsburgh, US 4 7

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