Characterisation and modelling of CNT-epoxy and CNT-fibre-epoxy composites
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- Characterisation and modelling of CNT-epoxy and CNT-fibre-epoxy composites
- Kim, M.; Okoli, O. I.; Jack, D.; Park, Young-Bin; Liang, Z. Y.
- A-carbon; Composite samples; Experimental observation; Flexural tests; Hand lay-up; Micromechanics modelling; Mori-Tanaka models; Multi-scale composites; Prediction of mechanical properties; Resin infusion; SEM image; Theoretical investigations; Theoretical prediction; Woven fabrics
- Issue Date
- MANEY PUBLISHING
- PLASTICS RUBBER AND COMPOSITES, v.40, no.10, pp.481 - 490
- This research presents an experimental and theoretical investigation on the effects of carbon nanotube (CNT) integration within neat epoxy resin (nanocomposites) and a carbon fabric-epoxy composite (multiscale composites). An approach is presented for the prediction of mechanical properties of multiscale composites. This approach combines woven fibre micromechanics (MESOTEX) with the Mori-Tanaka model which was used for the prediction of mechanical properties of nanocomposites in this research. Nanocomposite and multiscale composite samples were manufactured using cast moulding, resin infusion, and hand lay-up process. The CNT concentrations in the composite samples were from 0 to 5 wt-%. The samples were characterised using tensile, shear and flexural tests. The discrepancy between the theoretical predictions and the experimental observations was hypothesised to be due to dispersion and bonding issues and SEM images are presented in support of the hypothesis.
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