A model for the nonisothermal behavior of viscoelastic media

A. D. Drozdov

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A new constitutive model is derived for the viscoelastic behavior of polymers under non-isothermal loading. The model extends the concept of adaptive links (entanglements) between polymeric molecules to thermoviscoelastic media. By using experimental data for Nylon-6 and polyisobutylene in the vicinity of the glass-transition temperature, we find parameters of the model and study their dependence on temperature. The model is employed for the numerical analysis of the material response to time-periodic loads under isothermal conditions and to time-varying loads under heating. The results of numerical simulation demonstrate fair agreement with experimental data.

Original languageEnglish
Pages (from-to)287-302
Number of pages16
JournalArchive of Applied Mechanics
Volume67
Issue number5
DOIs
StatePublished - 1 Jan 1997

Keywords

  • Constitutive model
  • Non-isothermal loading
  • Numerical simulation
  • Rubber-glass transition
  • Viscoelasticity

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