Nonlinear mechanical response of CFRP laminates under off-axis tensile loading

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Abstract

Effects of tensile loading angle on the stress-strain behavior in CFRP laminates are investigated experimentally. A material system used is T300/2500 carbon/epoxy system. Both a cross-ply and a woven laminates are used. The nonlinear behavior in the stress-strain curve is focused. To divide the total strain into the elastic and inelastic ones, loading-unloading tests are performed. Plasticity models are made to characterize the nonlinearity in the stress-strain curves.

Original languageEnglish
Pages (from-to)133-141
Number of pages9
JournalScience and Engineering of Composite Materials
Volume17
Issue number2
Publication statusPublished - 1 Dec 2010

Keywords

  • Carbon/epoxy
  • Cross-ply laminate
  • Nonlinear stress-strain behavior
  • Off-axis tension
  • Woven laminate

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