Phase transitions in nonhomogeneous, aging, viscoelastic bodies

N. Kh Arutyunyan, A. D. Drozdov

Research output: Contribution to journalArticlepeer-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 languageEnglish
Pages (from-to)783-797
Number of pages15
JournalInternational Journal of Solids and Structures
Volume29
Issue number6
DOIs
StatePublished - 1 Jan 1992
Externally publishedYes

ASJC Scopus subject areas

  • Modeling and Simulation
  • Materials Science (all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Applied Mathematics

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