Evaluation of the Wagner irreversible constitutive equation

J. S. Vrentas, C. M. Vrentas, D. C. Venerus

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A constitutive equation based on the concept of the irreversibility of the rupture of a polymer network has been previously proposed as an improvement to the K-BKZ model. This Wagner irreversible constitutive equation is evaluated here using data from double-step shear strain experiments. It is shown that the Wagner irreversible model does not in general provide good predictions when a comprehensive set of deformation histories is considered.

Original languageEnglish (US)
Pages (from-to)175-179
Number of pages5
JournalRheologica Acta
Volume30
Issue number2
DOIs
StatePublished - Mar 1 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

Keywords

  • K-BKZ model
  • Wagner irreversible model
  • double-step experiment
  • flow reversal
  • irreversibility

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