Identification of damage and plasticity parameters for continuum damage mechanics modelling of carbon and glass fibre-reinforced composite materials

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Abstract

An experimental test series was carried out to determine input parameters for a well-known continuum damage mechanics elementary ply plasticity model. A full suite of data was obtained for a carbon fibre and an S2-glass fibre-reinforced composite material, both currently used in the aerospace industry. Models were implemented using the experimentally determined input parameters and predictions for in-plane behaviour found good agreement with experiments for both material systems. In addition, model predictions for cyclic loading accurately captured reload moduli and plastic strain magnitude.

Original languageEnglish
Pages (from-to)105-115
Number of pages11
JournalStrain
Volume47
Issue number1
DOIs
Publication statusPublished - Feb 2011

Keywords

  • carbon fibres
  • composite materials
  • continuum damage mechanics
  • mechanical properties
  • S2-glass fibres

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