Sisal-glass hybrid composites reinforced with silica microparticles

Bruna Torres Ferreira, Leandro José da Silva, Túlio Hallak Panzera*, Júlio Cesar Santos, Rodrigo Teixeira Santos Freire, Fabrizio Scarpa

*Corresponding author for this work

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

17 Citations (Scopus)
112 Downloads (Pure)

Abstract

In recent years, studies of composite materials have focused on the use of natural fibres as an alternative to synthetic ones. Their attractive mechanical properties, sustainability, low cost and low weight have leveraged research in this area, with the potential of a variety of applications in the engineering field. In this paper, a Full Factorial Design (2161) experiment was performed to identify the effect of silica microparticle inclusions and the stacking sequence of glass fibre cross-ply fabric and short sisal fibre layers on the apparent density, tensile and flexural strength and modulus of hybrid epoxy composites. In general, the hybrid composites with higher number of glass fibre layers achieve higher values of tensile and flexural strength (348 MPa and 663.28 MPa), tensile and flexural modulus (22 GPa and 2.50 GPa) and higher apparent density (2.02 g/cm³). It is, however, noteworthy that the incorporation of silica particles improves the mechanical performance of composites containing larger amounts of sisal fibres.

Original languageEnglish
Pages (from-to)57-62
Number of pages6
JournalPolymer Testing
Volume74
Early online date24 Dec 2018
DOIs
Publication statusPublished - 1 Apr 2019

Keywords

  • Design of experiment (DoE)
  • Glass fibre
  • Hybrid composite
  • Mechanical properties
  • Natural fibre
  • Silica particles

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