Phase transitions in nonhomogeneous, aging, viscoelastic bodies

N. Kh Arutyunyan; A. D. Drozdov

doi:10.1016/0020-7683(92)90127-F

Phase transitions in nonhomogeneous, aging, viscoelastic bodies

N. Kh Arutyunyan, A. D. Drozdov

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

We propose a thermodynamic model for a heterogeneous, aging, viscoelastic medium at infinitesimal strains and analyze the main thermodynamic potentials. We find the conditions for the relaxation measure, which guarantee the Second Law of thermodynamics to be satisfied. Variational principles for viscoelastic bodies at isothermal and adiabatic loading are formulated. The energy ratios tor the determination of the interface at the phase transition are derived. We analyze the local melting process in the viscoelastic body at isothermal loading and study the rheology influence on the development of a spherical liquid phase nucleus.

Original language	English
Pages (from-to)	783-797
Number of pages	15
Journal	International Journal of Solids and Structures
Volume	29
Issue number	6
DOIs	https://doi.org/10.1016/0020-7683(92)90127-F
State	Published - 1 Jan 1992
Externally published	Yes

ASJC Scopus subject areas

Modeling and Simulation
General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Applied Mathematics

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10.1016/0020-7683(92)90127-F

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AU - Drozdov, A. D.

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N2 - We propose a thermodynamic model for a heterogeneous, aging, viscoelastic medium at infinitesimal strains and analyze the main thermodynamic potentials. We find the conditions for the relaxation measure, which guarantee the Second Law of thermodynamics to be satisfied. Variational principles for viscoelastic bodies at isothermal and adiabatic loading are formulated. The energy ratios tor the determination of the interface at the phase transition are derived. We analyze the local melting process in the viscoelastic body at isothermal loading and study the rheology influence on the development of a spherical liquid phase nucleus.

AB - We propose a thermodynamic model for a heterogeneous, aging, viscoelastic medium at infinitesimal strains and analyze the main thermodynamic potentials. We find the conditions for the relaxation measure, which guarantee the Second Law of thermodynamics to be satisfied. Variational principles for viscoelastic bodies at isothermal and adiabatic loading are formulated. The energy ratios tor the determination of the interface at the phase transition are derived. We analyze the local melting process in the viscoelastic body at isothermal loading and study the rheology influence on the development of a spherical liquid phase nucleus.

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ER -

Phase transitions in nonhomogeneous, aging, viscoelastic bodies

Abstract

ASJC Scopus subject areas

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