Carbon/glass hybrid composite laminates in vinylester resin: Bending and low velocity impact tests

Papa, I.; Boccarusso, L.; Langella, A.; Lopresto, V.

doi:10.1016/j.compstruct.2019.111571

Compositelaminateswithdifferentstackingsequencesofwovencarbonandglassfibrelayersinhybridcon-figurationsweremanufacturedbyvacuumresininfusion.Theeffectofstackingsequenceandhybridisationontheflexuralpropertiesandimpactdamagemechanismswerewidelystudied.Theperformanceswerealsostu-diedtoinvestigatetheeffectofthestackingsequenceandthehybridisationinanattempttocomparetheresultsfrom theliterature on traditional compositelaminates.Bending testswere carriedout in three-pointconfig-uration, and the failure mechanism was investigated by visual inspection. Impact tests were carried out atpenetrationanddifferentenergyvaluestostudytheimpactbehaviourbyevaluatingtheexternalandinternaldamageevolution.Atthisscope,indentationmeasurementswerecarriedoutbyaconfocalmicroscope,whereastheUltraSoundtechniqueinvestigatedthedelamination.Thedataobtainedfromthedifferentconfigurationswerecomparedattheaimtoindividuatethebestone.Theresultswerethencomparedwithtraditionalcom-positelaminatestohighlighttheadvantagesofthehybridisation.Astrongrelevanceofthestackingsequenceinthedesigntomeetspecificrequirementswasobservedinbothimpactandflexuralbehaviour.

Carbon/glass hybrid composite laminates in vinylester resin: Bending and low velocity impact tests / Papa, I.; Boccarusso, L.; Langella, A.; Lopresto, V.. - In: COMPOSITE STRUCTURES. - ISSN 0263-8223. - 232:(2020). [10.1016/j.compstruct.2019.111571]