Post-impact fatigue performance of carbon fibre laminates with non-woven and mixed-woven layers

W. Cantwell, P. Curtis, J. Morton

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

Woven and non-woven carbon fibre laminates were subjected to drop-weight impact at energies of up to seven Joules. The damaged laminates were tested to differing periods of O-tension and O-compression fatigue, and then static residual strength tests were performed. The non-woven composite showed greater losses in static strength after impact than the mixed-woven composite, particularly when tested in compression. After tensile fatigue, significant improvements in residual strength were recorded, which coincided with the observation of micro-delaminations throughout the laminate. After compressive fatigue there was little change in residual strength.

Original languageBritish English
Pages (from-to)301-305
Number of pages5
JournalComposites
Volume14
Issue number3
DOIs
StatePublished - Jul 1983

Keywords

  • carbon fibres
  • composite materials
  • drop tests
  • epoxy resins
  • fatigue testing
  • laminates
  • residual strength
  • woven fabrics

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