Dynamic inter-fibre failure of unidirectional composite laminates with through-thickness reinforcement

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dc.contributor.authorCui, Hao
dc.contributor.authorYasaee, Mehdi
dc.contributor.authorMelro, António R.
dc.date.accessioned2019-04-12T14:28:40Z
dc.date.available2019-04-12T14:28:40Z
dc.date.issued2019-04-03
dc.description.abstractUnidirectional composite laminates reinforced in the thickness direction with Z-pins are tested in tension and compression with different off-axis angles at high loading rate. A split Hopkinson bar setup and a high speed imaging system have been used for these dynamic tests. It is found that the inter-fibre strength was reduced by Z-pinning in tension and shear dominated failure modes, and the reduction from dynamic loading conditions is greater than that in quasi-static. However, the laminate strength was not significantly influenced by Z-pinning when loaded predominantly in compression. This difference was caused by the transition of failure mechanisms around Z-pins. The stiffness of the laminate was not affected by Z-pins at elevated strain rates, since the increased epoxy stiffness helped to make up for the stiffness loss due to reduced fibre volume fraction resulting from Z-pins.en_UK
dc.identifier.citationCui H, Yasaee M, Melro AR. (2019) Dynamic inter-fibre failure of unidirectional composite laminates with through-thickness reinforcement. Composites Science and Technology, Volume 176, May 2019, pp. 64-71en_UK
dc.identifier.cris23303053
dc.identifier.issn0266-3538
dc.identifier.urihttps://doi.org/10.1016/j.compscitech.2019.04.004
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14077
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.titleDynamic inter-fibre failure of unidirectional composite laminates with through-thickness reinforcementen_UK
dc.typeArticleen_UK

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