Cyclic viscoelasticity and viscoplasticity of polypropylene/clay nanocomposites

A. D. Drozdov, J. C. De Christiansen, A. L. Hog Lejre

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Observations are reported in tensile relaxation tests under stretching and retraction on poly-propylene/clay nanocomposites with various contents of filler. A two-phase constitutive model is developed in cyclic viscoelasticity and viscoplasticity of hybrid nanocomposites. Adjustable parameters in the stress-strain relations are found by fitting the observations. Ability of the constitutive equations to describe characteristic features of the time-dependent response under loading and unloading is confirmed by numerical simulation.

Original languageEnglish
Title of host publicationECCM 2012 - Composites at Venice, Proceedings of the 15th European Conference on Composite Materials
PublisherEuropean Conference on Composite Materials, ECCM
ISBN (Print)9788888785332
StatePublished - 1 Jan 2012
Externally publishedYes
Event15th European Conference on Composite Materials: Composites at Venice, ECCM 2012 - Venice, Italy
Duration: 24 Jun 201228 Jun 2012

Publication series

NameECCM 2012 - Composites at Venice, Proceedings of the 15th European Conference on Composite Materials

Conference

Conference15th European Conference on Composite Materials: Composites at Venice, ECCM 2012
Country/TerritoryItaly
CityVenice
Period24/06/1228/06/12

Keywords

  • Constitutive modeling
  • Hybrid nanocomposite
  • Viscoelasticity
  • Viscoplasticity

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