Effect of impact damage on fatigue performance of structures reinforced with GLARE bonded crack retarders

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dc.contributor.authorSyed, Abdul Khadar
dc.contributor.authorFitzpatrick, Michael E.
dc.contributor.authorJames E. Moffatt
dc.contributor.authorDoucet, Jeremy
dc.contributor.authorDurazo-Cardenas, Isidro
dc.date.accessioned2019-12-05T11:23:35Z
dc.date.available2019-12-05T11:23:35Z
dc.date.issued2015-06-19
dc.description.abstractFibre-Metal Laminates (FML) such as GLARE are of interest as bonded crack retarders (BCR) to improve the fatigue performance of aircraft structures. The degradation of the performance of the crack retarder in service if subjected to damage is a critical factor in designing with this concept. Bonded assemblies of an aluminium alloy substrate reinforced with a GLARE strap were prepared, and were subjected to low velocity impact damage onto the GLARE, with impact energies ranging from 10 to 60J. The thermal residual stresses developed during the bonding process of the GLARE to the aluminium were determined using neutron diffraction, and the change in the thermal residual stresses owing to impact damage onto the GLARE was evaluated. Pre- and post-impact fatigue performance of the BCR assemblies has been investigated. The results show that the BCR provides an improvement in fatigue life, but the reduction is impaired following impact damage. The results show that monitoring of impact damage will be critical in the damage tolerance assurance for aerospace structures containing bonded crack retarders.en_UK
dc.identifier.citationSyed AK, Fitzpatrick ME, Moffatt JE, et al., (2015) Effect of impact damage on fatigue performance of structures reinforced with GLARE bonded crack retarders, International Journal of Fatigue, Volume 80, November 2015, pp. 231-237.
dc.identifier.cris4353742
dc.identifier.issn0142-1123
dc.identifier.urihttps://doi.org/10.1016/j.ijfatigue.2015.06.006
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14799
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectBonded crack retardersen_UK
dc.subjectFatigue cracken_UK
dc.subjectImpact fatigueen_UK
dc.subjectResidual stressesen_UK
dc.titleEffect of impact damage on fatigue performance of structures reinforced with GLARE bonded crack retardersen_UK
dc.typeArticleen_UK

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