Abstract
This paper is devoted to the study of deformation of a disk rotating with changing angular velocity under consecutive accumulation of creep and plastic strains. The differential equations which help to calculate the fields of stresses, strains, displacements and velocities are obtained; the method of finite difference is used for solving the problem. The evolution of the viscoplastic flow region is investigated. The Norton power law is used as creep law; the von Mises’s generalized yield criterion is applied as viscoplastic flow condition. The obtained solution is compared to the classical elastoplasticity case. A hollow disk and a disk with a rigid inclusion are studied.
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Begun, A.S., Burenin, A.A., Kovtanyuk, L.V. et al. Irreversible deformation of a rotating disk having angular acceleration. Acta Mech 232, 1917–1931 (2021). https://doi.org/10.1007/s00707-021-02942-5
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DOI: https://doi.org/10.1007/s00707-021-02942-5