Studies of void growth in a thin ductile layer between ceramics

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    Abstract

    The growth of voids in a thin ductile layer between ceramics is analysed numerically, using an axisymmetric cell model to represent an array of uniformly distributed spherical voids at the central plane of the layer. The purpose is to determine the full traction-separation law relevant to crack growth by a ductile mechanism along the thin layer. Plastic flow in the layer is highly constrained by the ceramics, so that a high. level of triaxial tension develops, leading in some cases to cavitation instabilities. The computations are continued to a state near the occurrence of void coalescence.
    Original languageEnglish
    JournalComputational Mechanics
    Volume20
    Issue number1-2
    Pages (from-to)186-191
    ISSN0178-7675
    DOIs
    Publication statusPublished - 1997

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