Energy absorption calculations in multiple compressive loading of polymeric foams

Umud Esat Ozturk, Gunay Anlas

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)

Abstract

Using a new phenomenological constitutive model, energy absorption under multiple uniaxial compressive loading and unloading of polymeric foams, expanded polystyrene (EPS) and polyethylene (PE), is studied. Constitutive models developed for multiple uniaxial compressive loading and unloading are used for calculation of stress, strain, absorbed energy, and energy efficiency. Results obtained by using constitutive models available in literature and those of new constitutive model are compared to experimental results for different levels of residual strain. It is shown that the proposed constitutive model is more suitable and accurate for stress, strain, and absorbed energy calculations in multiple compressive loading and unloading.

Original languageEnglish
Pages (from-to)15-22
Number of pages8
JournalMaterials and Design
Volume30
Issue number1
DOIs
Publication statusPublished - 1 Jan 2009

Keywords

  • B. Foams
  • F. Elastic behavior
  • F. Plastic behavior

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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