Lenir Abreu Júnior, R. Freire, P. Oliveira, A. Christoforo, Carlos Thomas García, G. Pino, T. Panzera
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Hybrid Short Glass Fibre Composites Reinforced with Silica Micro-particles
This work investigates epoxy composites reinforced by randomly oriented, short glass fibres and silica microparticles. A full-factorial experiment evaluates the effects of glass fibre mass fraction (15 and 20 wt%) and length (5 and 10 mm), and the mass fraction of silica microparticles (5 and 10 wt%) on the apparent density and porosity, as well as the compressive and tensile strength and modulus of the hybrid composites. Hybrid epoxy composites present significantly higher tensile strength (9%) and modulus (57%), as well as compressive strength (up to 15%) relative to pure epoxy.
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