Modelling of fatigue crack tunneling and delamination in layered composites

A.S.J. Suiker, N.A. Fleck

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32 Citations (Scopus)
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A review of the literature reveals that fatigue cracks in layered composites may grow at a constant rate in a steady-state configuration. Cracks can tunnel as mode I cracks in a constrained layer, with or without delamination of adjacent plies. Alternatively, progressive plane-strain delamination may occur from the ends of a plane-strain mode I crack. In the present paper the relationship between fatigue crack growth rate and remote cyclic stress is predicted for steady-state tunneling cracks and for plane-strain delaminating cracks. The fatigue models make use of Paris-type crack growth laws. The predictions for plane-strain delamination are in excellent agreement with existing experimental data for fatigue delamination growth in fibre-metal laminates. © 2005 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)1722-1733
JournalComposites. Part A: Applied Science and Manufacturing
Issue number10
Publication statusPublished - 2006


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