STP700

    Estimation of J-Integral Uncertainty

    Published: Jan 1980


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    Abstract

    A method for determining the effect of random experimental error on the calculation of J and crack length extension Δa is presented. Predictor-corrector equations for determining Δa are also derived and their convergence properties studied. The application to a three-point bend specimen is considered and numerical results presented.

    Keywords:

    fractures (materials), J-integral, J-R curves, elastic plastic fracture mechanics, crack length extension, crack propagation


    Author Information:

    Corman, DE
    research engineer, John Hopkins University, Applied Research Laboratories, Laurel, Md.


    Paper ID: STP36974S

    Committee/Subcommittee: E08.08

    DOI: 10.1520/STP36974S


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