STP527

    Plane Stress Fracture Testing Using Center-Cracked Panels

    Published: Jan 1973


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    Abstract

    Three experimental techniques for developing the crack resistance curve and plane stress fracture toughness using center cracked panels are reviewed. One technique involving a plasticity characterization based on the crack opening stretch is discussed in detail.

    Experimental data for a variety of materials and thicknesses are presented which show the equivalence of the various methods for determining the crack resistance curve.

    Keywords:

    crack propagation, fracture toughness, strains, stresses, loads (forces) measurement, aluminum alloys, stainless steels, fracture strength, fracture tests, evaluation


    Author Information:

    Carman, CM
    Metallurgist, Frankford Arsenal, Philadelphia, Pa.


    Paper ID: STP34708S

    Committee/Subcommittee: E08.08

    DOI: 10.1520/STP34708S


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