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    Volume 13, Issue 3 (May 1985)

    Effect of Crack-Tip Morphology on Cleavage-Crack Extension

    Published Online: 01 May 1985

    CODEN: JTEVAB

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    Abstract

    Values of fracture toughness obtained by cleavage reinitition of arrested cleavage cracks in compact specimens are found to agree with those obtained from thermal shock experiments on much larger cylinders. In contrast, toughness values obtained using fatigue-precracked compact specimens are somewhat higher. It is suggested that the arrested cleavage crack tip is a more potent flaw than the fatigue precrack.


    Author Information:

    Rosenfield, AR
    Research leader, Battelle, Columbus Laboratories, Columbus, OH


    Stock #: JTE10784J

    ISSN:0090-3973

    DOI: 10.1520/JTE10784J

    Author
    Title Effect of Crack-Tip Morphology on Cleavage-Crack Extension
    Symposium ,
    Committee E08