A model for the elastoplastic behavior of isotactic poly(propylene) below the yield point

Aleksey D. Drozdov, Jesper de C. Christiansen

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Observations are reported on isotactic poly(propylene) (iPP) in a series of tensile loading-unloading tests with a constant strain rate at room temperature. A constitutive model is developed for the elastoplastic behavior of a semicrystalline polymer at isothermal uniaxial deformations with small strains. The stress-strain relations are determined by 5 adjustable parameters which are found by fitting the experimental data.

Original languageEnglish
Pages (from-to)164-174
Number of pages11
JournalMacromolecular Materials and Engineering
Volume288
Issue number2
DOIs
StatePublished - 20 Feb 2003
Externally publishedYes

Keywords

  • Computer modeling
  • Cyclic loading
  • Elastoplasticity
  • Microstructure
  • Poly(propylene)

ASJC Scopus subject areas

  • Chemical Engineering (all)
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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