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One plasticity model for problems of plastic metal working

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Abstract

Scalar and tensor models of plastic flow of metals extending plasticity theory are considered over a wide range of temperatures and strain rates. Equations are derived using the physico-phenomenological approach based on modern concepts and methods of the physics and mechanics of plastic deformation. For hardening and viscoplastic solids, a new mathematical formulation of the boundary-value plasticity problem taking into account loading history is obtained. Results of testing of the model are given. A numerical finite-element algorithm for the solution of applied problems is described.

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Authors and Affiliations

  1. Ufa State Aviation Technical University, Ufa, 450000, Russia

    V. M. Greshnov

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  1. V. M. Greshnov
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Correspondence to V. M. Greshnov.

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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 49, No. 6, pp. 159–169, November–December, 2008.

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Greshnov, V.M. One plasticity model for problems of plastic metal working. J Appl Mech Tech Phy 49, 1021–1029 (2008). https://doi.org/10.1007/s10808-008-0126-z

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  • DOI: https://doi.org/10.1007/s10808-008-0126-z

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