Abstract
A new yield function of the form \( f\left( {{S_i}} \right) = {\sum\limits_S^N {\left| {P_i^S\,{S_i}} \right|}^{{h + 1}}}/W_s^h \) is proposed to describe the yield surface of textured polycrystals. The parameters of this function can be derived from the rate of plastic work obtained from polycrystal models. f is strictly convex and approximates the yield surface with high precision.
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© 1991 Elsevier Science Publishers Ltd
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Toth, L.S., van Houtte, P., van Bael, A. (1991). Analytical Representation of Polycrystal Yield Surfaces. In: Boehler, JP., Khan, A.S. (eds) Anisotropy and Localization of Plastic Deformation. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3644-0_43
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DOI: https://doi.org/10.1007/978-94-011-3644-0_43
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