Compression failure of composite laminates

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


This chapter describes the application of a cohesive zone model to estimate the open-hole compressive (OHC) strength of composite laminates and to study the level-ply scaling effect on notch sensitivity. The modeling strategy is to replace the inelastic deformation associated with plasticity or microbuckling with a line crack and to assume some form of the stress-displacement (σ−δ) bridging law across the crack faces. A linear reduced σ−δ relationship and a plastic fiber kinking analysis are used for the prediction of the unnotched and OHC strength; input material data required and simplifications made in the analysis are explained, since they affect results. It is shown that predictions when compared to experimental observations and measurements are in good agreement; in some cases they differ less than 5%.
Original languageEnglish
Title of host publicationModeling Damage, Fatigue and Failure of Composite Materials
EditorsRamesh Talreja, Janis Varna
Place of PublicationCambridge, UK
PublisherWoodhead Publishing
Number of pages15
ISBN (Electronic)9781782422983
ISBN (Print)9781782422860
Publication statusPublished - 1 Nov 2015

Publication series

NameWoodhead Publishing Series in Composites Science and Engineering
PublisherWoodhead Publishing


  • cohesive zone model
  • composites
  • fiber microbuckling
  • fiber waviness
  • fracture toughness
  • kink band
  • open-hole compression
  • ply blocking effect
  • stress concentration


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