Dynamic bridging mechanisms of through-thickness reinforced composite laminates in mixed mode delamination

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dc.contributor.authorCui, Hao
dc.contributor.authorYasaee, Mehdi
dc.contributor.authorHallett, Stephen R.
dc.contributor.authorPartridge, Ivana K.
dc.contributor.authorAllegri, Giuliano
dc.contributor.authorPetrinic, Nik
dc.date.accessioned2018-01-05T09:03:24Z
dc.date.available2018-01-05T09:03:24Z
dc.date.issued2017-11-23
dc.description.abstractDelamination resistance of composite laminates can be improved with through-thickness reinforcement such as Z-pinning. This paper characterises the bridging response of individual carbon fibre/BMI Z-pins in mixed mode delamination at high loading rate using a split Hopkinson bar system. The unstable failure process in quasi-static tests, was also captured with high sampling rate instruments to obtain the complete bridging response. The energy dissipation of the Z-pins were analysed, and it was found that the efficacy of Z-pinning in resisting delamination growth decreased with an increase in mixed mode ratio, with a transition from pull-out to pin rupture occurring. The Z-pin efficacy decreased with loading rate for all mode mix ratios, due to the changing in failure surface with loading rate and rate-dependent frictional sliding.en_UK
dc.identifier.citationHao Cui, Mehdi Yasaee, Stephen R. Hallett, et. al., Dynamic bridging mechanisms of through-thickness reinforced composite laminates in mixed mode delamination. Composites Part A: Applied Science and Manufacturing, Volume 106, 2018, Pages 24-33en_UK
dc.identifier.cris18924189
dc.identifier.issn1359-835X
dc.identifier.urihttps://doi.org/10.1016/j.compositesa.2017.11.017
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/12846
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.subjectFracture toughnessen_UK
dc.subjectFailureen_UK
dc.subjectDelaminationen_UK
dc.subject3-Dimensional reinforcementen_UK
dc.titleDynamic bridging mechanisms of through-thickness reinforced composite laminates in mixed mode delaminationen_UK
dc.typeArticleen_UK

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