Modeling and validation of the large deformation inelastic response of amorphous polymers over a wide range of temperatures and strain rates

J. Richeton, Said Ahzi, K. S. Vecchio, F. C. Jiang, A. Makradi

Research output: Contribution to journalArticle

134 Citations (Scopus)

Abstract

A robust physically consistent three-dimensional constitutive model is developed to describe the finite mechanical response of amorphous polymers over a wide range of temperatures and strain rates, including the rubbery region and for impact loading rates. This thermomechanical model is based on an elastic-viscoplastic rheological approach, wherein the effects of temperature, strain rate, and hydrostatic pressure are accounted for. Intramolecular, as well as intermolecular, interactions under large elastic-inelastic behavior are considered for the mechanisms of deformation and hardening. For a wide range of temperatures and strain rates, our simulated results for poly(methyl methacrylate) (PMMA) and polycarbonate (PC) are in good agreement with experimental observations.

Original languageEnglish
Pages (from-to)7938-7954
Number of pages17
JournalInternational Journal of Solids and Structures
Volume44
Issue number24
DOIs
Publication statusPublished - 1 Dec 2007
Externally publishedYes

Fingerprint

Strain Rate
Large Deformation
strain rate
Strain rate
Polymers
polycarbonate
polymers
Modeling
Range of data
Polycarbonate
loading rate
Hydrostatic Pressure
Polymethyl Methacrylate
polycarbonates
Hydrostatic pressure
Constitutive Model
Polycarbonates
Hardening
Constitutive models
Polymethyl methacrylates

Keywords

  • Amorphous polymers
  • Impact loading rates
  • Modeling
  • Temperature and rate effects

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Modeling and validation of the large deformation inelastic response of amorphous polymers over a wide range of temperatures and strain rates. / Richeton, J.; Ahzi, Said; Vecchio, K. S.; Jiang, F. C.; Makradi, A.

In: International Journal of Solids and Structures, Vol. 44, No. 24, 01.12.2007, p. 7938-7954.

Research output: Contribution to journalArticle

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