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Effect of Plate Thickness on Crack-Tip Plasticity

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Abstract

This paper presents an analytical method for determining the three-dimensional stress fields in plates with a through-the-thickness crack, especially under elastic-plastic conditions. Using the generalised plane strain theory in conjunction with the deformation theories of plasticity, exact solutions are obtained for the effects of plate thickness on the crack-tip plastic zone size and a plastic constraint factor, which is shown to correlate well with published finite element solutions.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Monash University, Clayton campus, Wellington Road, Clayton, Victoria, 3800, Australia

    A. Kotousov

  2. Aeronautical and Maritime Research Laboratory, DSTO, 506 Lorimer Street, Fishermans Bend, VIC, 3207, Australia

    C. H. Wang

Authors
  1. A. Kotousov
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  2. C. H. Wang
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Kotousov, A., Wang, C.H. Effect of Plate Thickness on Crack-Tip Plasticity. International Journal of Fracture 111, 53–58 (2001). https://doi.org/10.1023/A:1012428928510

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