Hybrid glass fibre reinforced composites containing silica and cement microparticles based on a design of experiment

Rubens Bagni Torres, Júlio Cesar dos Santos, Túlio Hallak Panzera*, André Luis Christoforo, Paulo H. Ribeiro Borges, Fabrizio Scarpa

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

16 Citations (Scopus)
318 Downloads (Pure)

Abstract

Hybrid Glass Fibre Reinforced Composites (HGRFCs) made with unidirectional glass fibres and silica or cement microparticles inclusions were investigated in order to improve their performance under flexural and impact loadings. Two full factorial designs were conducted to evaluate (i) the effect of the particle weight fraction on the compressive modulus of epoxy polymer (2131) and (ii) the effect of the number of layers and type of particle (32) on the apparent density, flexural modulus and strength of HGFRCs. Composites with higher flexural properties were evaluated under impact loading via one-way analysis. TGA and FTIR analyses were used to verify the effect of ceramic particles within the polymeric phase. A microstructural analysis (SEM) was performed to verify the fracture mode and better assess the mechanical performance of HGFRCs.

Original languageEnglish
Pages (from-to)87-93
Number of pages7
JournalPolymer Testing
Volume57
Early online date14 Nov 2016
DOIs
Publication statusPublished - 1 Feb 2017

Keywords

  • Glass fibre
  • Hybrid composite
  • Impact resistance
  • Portland cement
  • Silica particle
  • Three-point bending test

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