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The flow and fracture of unidirectional

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Abstract

A yielding criterion, based upon calculated internal stress distributions, was developed for composite materials under various externally applied biaxial tension loadings. The stress distributions were computed using the finite element technique; the criterion showed that the yield strength of the composite is significantly higher than the transverse uniaxial yield strength for a wide range of biaxial loadings. Limited amounts of preliminary data were generated (using the hydraulic bulge test to develop biaxial stress loadings) to validate the analytical yielding criterion. The data obtained showed better agreement with the new yielding criterion than they did with the existing Hill Criterion.

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Authors and Affiliations

  1. Division of Metallurgy and Materials Science, Case Western Reserve University, Cleveland, Ohio

    P. K. Wright (NSF Graduate Fellow) & L. J. Ebert (Professor of Metallurgy)

Authors
  1. P. K. Wright
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  2. L. J. Ebert
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Wright, P.K., Ebert, L.J. The flow and fracture of unidirectional. Metall Trans 3, 1645–1655 (1972). https://doi.org/10.1007/BF02643058

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  • DOI: https://doi.org/10.1007/BF02643058

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