Three-point flexural behaviour of GFRP sandwich composites: a failure map

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12 Citazioni (Scopus)

Abstract

In this work, the failure mechanisms of GFRP/PVC foam core sandwich structures subjected to three-pointbending are analysed.By varying the skin thickness (t ) and the span length between supports (l), experimental tests were carriedout in order to find the relationship between the geometrical configuration of the sandwiches and the failuremechanism.By plotting failure mechanism on a graph of l against t , a failure map was created identifying the threetypical failure mode regions of these sandwiches. The graph clearly shows the failure mode correspondingto each combination of l and t .To help optimise the use of these sandwich beams as structural elements, a theoretical failure mode mapwas constructed. The theoretical model results were consistent with the experimental ones, and so we canconclude that the theoretical model is a reliable predictor of failure mechanisms in sandwiches with definedgeometry.
Lingua originaleEnglish
pagine (da-a)79-90
Numero di pagine11
RivistaAdvanced Composite Materials
Volume19
Stato di pubblicazionePublished - 2010

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering

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