Abstract
Pultruded fibre composite rods have been made from polyester resin and mixtures of carbon, Kevlar and glass fibres. The strengths and elastic moduli of the hybrids were not always as predicted by the mixtures rule, moduli in particular often being lower than expected. The addition of relatively little carbon fibre to a Kevlar composite drastically reduces its ductility. Glass has a less significant effect, and some glass-Kevlar composites show a secondary elastic modulus.
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Piggott, M.R., Harris, B. Compression strength of hybrid fibre-reinforced plastics. J Mater Sci 16, 687–693 (1981). https://doi.org/10.1007/BF00552207
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DOI: https://doi.org/10.1007/BF00552207