1. CARATTERIZZAZIONE ALL’IMPATTO DI COMPOSITI IBRIDI CARBONIO-ARAMIDE USATI PER LA REALIZZAZIONE DI COMPONENTI DI AUTOVETTURE SPORTIVE
- Author
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Militello, C., Epasto, G., Bongiorno, F., Zuccarello, B., Militello, C., Epasto, G., Bongiorno, F., and Zuccarello, B.
- Subjects
Settore ING-IND/14 - Progettazione Meccanica E Costruzione Di Macchine ,Compositi ibridi, tessuti ibridi, impatto, tomografia a raggi x - Abstract
Through a systematic experimental analysis, the impact characterization of carbon-aramid hybrid composites, typically used in the automotive sports field, has been performed. CFRP laminates object of this study have been produced by adding a hybrid foil obtained using a fabric of twill type, so-called carbon-kevlar. In order to highlight the effects of hybridisation, that is, the different properties of kevlar fibre with respect to carbon, a comparative analysis was also carried out considering a CFRP laminate with the same lay-up. The analysis of the experimental results obtained through preliminary tensile tests and subsequent low-velocity drop-weight impact tests integrated with x-ray tomography, showed that although the hybrid composite has a lower static strength than the simple CFRP, it has an increase in impact strength of up to 50%, combined with an appreciable increase in maximum impact force and mainly in resistance to surface damage.
- Published
- 2020