STP601

    Side-Cracked Plates Subject to Combined Direct and Bending Forces

    Published: Jan 1976


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    Abstract

    The opening mode stress intensity factor and the associated crack mouth displacement are comprehensively treated using planar boundary collocation results supplemented by end-point values from the literature. Data are expressed in terms of dimensionless coefficients of convenient form which are functions of two dimensionless parameters, the relative crack length, and a load combination parameter which uniquely characterizes all possible combinations of tension or compression with bending or counterbending. Accurate interpolation expressions are provided which cover the entire range of both parameters. Application is limited to specimens with ratios of effective half-height to width not less than unity.

    Keywords:

    crack propagation, bending, fracture tests, stress intensity factor, boundary collocation analysis, crack mouth opening


    Author Information:

    Srawley, JE
    Head, Fracture Mechanics Section, and materials engineer, National Aeronautics and Space Administration, Lewis Research Center, Cleveland, Ohio

    Gross, B
    Head, Fracture Mechanics Section, and materials engineer, National Aeronautics and Space Administration, Lewis Research Center, Cleveland, Ohio


    Paper ID: STP28664S

    Committee/Subcommittee: E08.06

    DOI: 10.1520/STP28664S


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