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Publications
Marchese, S.S., Epasto, G., Crupi, V. and Garbatov, Y. (2023), Tensile Response of Fibre-Reinforced Plastics Produced by Additive Manufacturing for Marine Applications, Journal of Marine Science and Engineering, Vol. 11, 334
The present study makes a consistent attempt to evaluate promising additive manufacturing (AM) processes and materials for marine structural applications, paving the way for the development of additively manufactured light-weight composites. The main objective is to analyse the structural
performances of fibre-reinforced plastics (FRP) produced by AMfor marine applications. In particular, the tensile response of chopped and continuous carbon-fibre-reinforced thermoplastics have been investigated through destructive and non-destructive testing, considering the influence ofAMprocess
settings and thermal post-manufacturing treatments. The results demonstrate that continuous fibrereinforced thermoplastics produced by AM are potentially suited to marine structural applications, since their tensile capacity is superior to the minimum imposed by the Classification Society Rules.
However, the mechanical properties of additively manufactured FRP are currently lower than conventional composites. The continuous carbon fibre reinforcement is far more effective than the chopped one, and the additive manufacturing deposition pattern significantly influences the structural capacity. The annealing post-manufacturing treatment enhances the mechanical properties by approximately 10%, decreasing material ductility and manufacturing defects.
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