Fibre bridging effect on the Paris relation for mode I fatigue delamination growth in composites with consideration of interface configuration

Liaojun Yao, Y. Sun, Rene Alderliesten, Rinze Benedictus, M Zhao

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)
27 Downloads (Pure)

Abstract

Fibre bridging can significantly enhance delamination resistance making the use of a single Paris resistance curve to determine fatigue crack growth insufficient. An empirical Paris-type relation has been developed in a previous study to take fibre bridging into account in fatigue delamination growth. This relation was developed by correlating the Paris constants C and n to the amount of fibre bridging. This paper provides a further investigation on the interface configuration effect on fatigue delamination growth, illustrating the significance of fibre bridging. The results demonstrated that more bridging fibres can be generated in a multidirectional interface, making both log(C) and n significantly depend on fibre bridging. Thus, the method proposed in the previous study is further extended to take into account of the interface configuration effect.
Original languageEnglish
Pages (from-to)471-478
JournalComposite Structures
Volume159
DOIs
Publication statusPublished - 2017

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