Journal
COMPOSITES PART B-ENGINEERING
Volume 71, Issue -, Pages 1-9Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2014.11.020
Keywords
Nano-structures; Carbon fibre; Mechanical properties; Finite element analysis (FEA)
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Varying experimental results on the mechanical properties of carbon nanotube reinforced polymer composites (CNTRPs) have been reported due to the complexities associated with the characterization of material properties in nano-scale. Insight into the issues associated with CNTRPs may be brought through computational techniques time- and cost-effectively. In this study, finite element models are generated in which single walled carbon nanotube models are embedded into the epoxy resin. For modelling interface regions, two approaches named as non-bonded interactions and perfect bonding model are utilized and compared against each other. Representative volume finite element (RVE) models are built for a range of CNTRPs and employed for the evaluation of effects of diameter and chirality on the Young's modulus and Poisson's ratio of CNTRPs, for which there is a paucity in the literature. The outcomes of this study are in good agreement with those reported available in the literature earlier. The proposed modelling approach presents a valuable tool for determining other material properties of CNTRPs. (C) 2014 Elsevier Ltd. All rights reserved.
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