Failure Prediction of Anisotropic Materialby Photios P. Papados, Texas A&M Univ, College Station, United States,
Paul N. Roschke, Texas A&M Univ, College Station, United States,
Abstract: Basic mathematical elements of a higher order failure theory for anisotropic material are outlined. Surface closure is ensured by requiring a tensor polynomial to satisfy constraint conditions. Results from one of the laboratory experiments used for determination of failure coefficients for cross-rolled beryllium sheets is presented as an example. A three-dimensional surface for beryllium sheet material illustrates a subset of the six-dimensional stress space.
Subject Headings: Material failures | Failure analysis | Stress analysis | Anisotropy | Polynomials | Sheets | Shear failures
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