Local Adiabatic Heating Effect in Finite-Strain Elastic-Plastic Torsion


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In this paper, the torsion of an incompressible circular cylinder with fixed ends made of polymer material relative to the axis of symmetry is studied taking into account adiabatic heating. The conservative deformation mechanism is determined by the Mooney-Rivlin elastic potential, and the dissipative deformation mechanism by the Tresca-Saint-Venant plastic potential. The problem is solved using multiplicative decomposition of the Almansi total strain measure into elastic and plastic parts. It is assumed that the local change in material temperature is due only to plastic dissipation. The thermal deformation of the material and hardening are neglected. The exact solution of the problem is obtained for an arbitrary dependence of the mechanical characteristics of the material on temperature. In particular, the axial force, the torque, and the temperature distribution in the sample as a function of increasing loading parameter are determined. The resulting solution is compared with available experimental data.

作者简介

G. Sevast’yanov

Institute of Machinery and Metallurgy, Far East Branch

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Email: akela.86@mail.ru
俄罗斯联邦, Komsomolsk-on-Amur, 681005

A. Burenin

Institute of Machinery and Metallurgy, Far East Branch

Email: akela.86@mail.ru
俄罗斯联邦, Komsomolsk-on-Amur, 681005

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