STP642

    Influence of High Pressure Hydrogen on Cyclic Load Crack Growth in Metals

    Published: Jan 1978


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    Abstract

    The effect of high pressure hydrogen on the crack growth rate of various nickel-base alloys was studied at ambient temperature. Considerable enhancement of the cyclic flaw growth rate was observed for Inconel 718, wrought and cast, and Waspaloy, a nickel-base alloy similar to Inconel 718. Only slight enhancement of the flaw growth rate for Alloy 903 was observed.

    Keywords:

    corrosion fatigue, crack propagation, nickel-base alloys, hydrogen embrittlement, fractography


    Author Information:

    Jewett, RP
    Members of technical staff, Rocketdyne Division, Rockwell International, Canoga Park, Calif

    Walter, RJ
    Members of technical staff, Rocketdyne Division, Rockwell International, Canoga Park, Calif

    Chandler, WT
    Members of technical staff, Rocketdyne Division, Rockwell International, Canoga Park, Calif


    Paper ID: STP28724S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP28724S


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