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Hybrid short glass fibre composites reinforced with silica microparticles
Lenir de Abreu Júnior
Rodrigo Teixeira Freire
Pablo Resende Oliveira
André Luis Christoforo
Carlos Thomas Garcia
Gilberto García del Pino
Tulio Hallak Panzera
Journal of Polymer Science and Engineering 2020, 3(1); https://doi.org/10.24294/jpse.v3i1.1191
Submitted:11 Jun 2020
Accepted:08 Jul 2020
Published:17 Dec 2020
Abstract

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 wt% and 20 wt%) and length (5 mm and 10 mm), and the mass fraction of silica microparticles (5 wt% 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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