Thickness effects on fibre-bridged fatigue delamination growth in composites

Liaojun Yao*, Hao Cui, R. C. Alderliesten, Yi Sun, Licheng Guo

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)
31 Downloads (Pure)


This paper provides an investigation on thickness effects on fibre-bridged fatigue delamination growth (FDG) in composite laminates. A modified Paris relation was employed to interpret experimental fatigue data. The results clearly demonstrated that both thickness and fibre bridging had negligible effects on FDG behaviors. Both energy principles and fractography analysis were subsequently performed to explore the physical reasons of this independence. It was found that the amount of energy release of a given crack growth was not only independent of fibre bridging, but also thickness. Fibre print was the dominant microscopic feature located on fracture surfaces, physically making the same energy dissipation during FDG. Furthermore, the present study provides extra evidence on the importance of using an appropriate similitude parameter in FDG studies. Particularly, the strain energy release rate (SERR) range applied around crack front was demonstrated as an appropriate similitude parameter for fibre-bridged FDG study.

Original languageEnglish
Pages (from-to)21-28
Number of pages8
JournalComposites Part A: Applied Science and Manufacturing
Publication statusPublished - 1 Jul 2018

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.


  • A. Polymer-matrix composites (PMCs)
  • B. Delamination
  • B. Fatigue
  • Fibre bridging


Dive into the research topics of 'Thickness effects on fibre-bridged fatigue delamination growth in composites'. Together they form a unique fingerprint.

Cite this