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    STP631

    Dependence of JIc on the Mechanical Properties of Ductile Materials

    Published: 01 January 1977


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    Abstract

    Application of the relation JIc = KIc2/E yields values of JIc which are different from those measured directly. This difference is attributed to the plasticity of the crack tip. A more accurate relation for evaluation of JIc which takes into consideration the mechanical properties of the material such as the yield stress and Young's modulus, and based on compliance tests, is formulated. Experimental tests which demonstrate the validity of this equation are presented.

    Keywords:

    crack propagation, fractures (materials), ductility


    Author Information:

    Lanteigne, J
    Graduate student, assistant research professor, and research professor, Department of Metallurgical Engineering, Ecole Polytechnique, Montreal, Quebec

    Bassim, MN
    Graduate student, assistant research professor, and research professor, Department of Metallurgical Engineering, Ecole Polytechnique, Montreal, Quebec

    Hay, DR
    Graduate student, assistant research professor, and research professor, Department of Metallurgical Engineering, Ecole Polytechnique, Montreal, Quebec


    Committee/Subcommittee: E08.08

    DOI: 10.1520/STP35541S