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    STP853

    Effect of Local Stress State on the Growth of Short Cracks

    Published: 01 January 1985


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    Abstract

    This paper examines the extent to which local state stress contributes to observed short crack growth rate behavior. Local crack-tip stress state effects are explored in terms of data developed at notch roots in notched plates of various thicknesses. Experimental data and fractography coupled with the results of stress intensity solutions show that a part of the so-called short crack effect may be rationalized by three-dimensional considerations.

    Keywords:

    notches, local stress state, crack initiation, microcrack growth, mechanics, plasticity, metallurgy, fractography, short crack effect


    Author Information:

    Leis, BN
    Senior scientist and principal scientist, Battelle-Columbus Laboratories, Columbus, OH

    Ahmad, J
    Senior scientist and principal scientist, Battelle-Columbus Laboratories, Columbus, OH

    Kanninen, MF
    Institute scientist, Southwest Research Institute, San Antonio, TX


    Committee/Subcommittee: E08.06

    DOI: 10.1520/STP36230S