Journal
ENGINEERING FRACTURE MECHANICS
Volume 78, Issue 10, Pages 2193-2201Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2011.04.005
Keywords
Fatigue; Fibre Metal Laminates; Delamination
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Funding
- Netherlands Organization for Scientific Research (NWO)
- Technical Science Foundation (STW)
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A robust crack growth prediction tool has been developed for a class of hybrid skin materials known as Fibre Metal Laminates (FMLs) which has been thoroughly validated for fatigue loading cases at room temperature. This paper provides a brief overview of this predictive model and presents an investigation into its predictive capabilities at various temperatures. Amongst the temperature effects investigated are crack growth rate in the metal layers, delamination growth rate along the metal-fibre interfaces, and residual curing stresses within the laminate. Results from this investigation indicate that the present model accounting for these effects can accurately predict crack growth in FMLs at room temperature and elevated temperature, but is overly conservative for predictions at low temperatures. (C) 2011 Elsevier Ltd. All rights reserved.
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