Summary
In the first part, which has a summarized and extended character, the axiom of objectivity and the axiom of material invariance form the foundation for the theoretical analysis of the polynomial yield condition. On this base studies about the tensorial character of the material constants, about the general anisotropy, orthotropy, transversal isotropy, hemitropy, isotropy and convexity of the yield corpus take place.
The second part contains a description of the principal methods for the experimental verification of the assumed theory and the yield locus curve for a deep drawing sheet metal.
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Kreißig, R. Some considerations on the yield condition in the theory of plasticity. Acta Mechanica 56, 41–53 (1985). https://doi.org/10.1007/BF01306023
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DOI: https://doi.org/10.1007/BF01306023