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Thermodynamics of Composition Graded Thermoelastic Solids
Version 1
: Received: 2 May 2023 / Approved: 4 May 2023 / Online: 4 May 2023 (08:19:42 CEST)
A peer-reviewed article of this Preprint also exists.
Cimmelli, V.A. Thermodynamics of Composition Graded Thermoelastic Solids. Entropy 2023, 25, 1084. Cimmelli, V.A. Thermodynamics of Composition Graded Thermoelastic Solids. Entropy 2023, 25, 1084.
Abstract
We propose a thermodynamic model describing the thermoelastic behavior of composition graded materials. The compatibility of the model with second law of thermodynamics is explored by applying a generalized Coleman-Noll procedure.
We calculate the speeds of coupled first- and second-sound pulses, propagating either trough nonequilibrium or trough equilibrium states. We characterize several different types of perturbations, depending on the value of the material coefficients.
Under the assumption that the deformation of the body can produce changes in its stoichiometry, altering locally the material composition, the possibility of propagation of pure stoichiometric waves is pointed out. Thermoelastic perturbations generated by the coupling of stoichiometric and thermal effects are analyzed as well.
Keywords
Composition graded materials; thermoelastic solids; generalized Coleman-Noll procedure; thermoelastic-wave propagation
Subject
Physical Sciences, Thermodynamics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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