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    Life Prediction Analysis of Part-Through Cracks

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    The ability to predict part-through crack behavior analytically based on compact specimen crack growth rate data is quantified by comparing analytical predictions of cyclic life under constant amplitude loading with laboratory test results. In three analytical exercises performed by ASTM Task Group E24.06.01, a total of 24 specimens included 2219-T851 aluminum, 6A1-4V-Ti, and 9Ni-4Co-0.20C steel.


    crack life, part-through cracks, life prediction accuracy, fatigue (materials), crack propagation

    Author Information:

    Vroman, GA
    Project engineer, Rocketdyne Division of Rockwell International, Canoga Park, Calif

    Committee/Subcommittee: E08.06

    DOI: 10.1520/STP35033S