KnE Engineering

ISSN: 2518-6841

The latest conference proceedings on all fields of engineering.

Manufacturing and characterization of epoxy resin with Fe3O4 and SiO2 particles

Published date: Jun 02 2020

Journal Title: KnE Engineering

Issue title: International Congress on Engineering — Engineering for Evolution

Pages: 117–128

DOI: 10.18502/keg.v5i6.7026

Authors:

José Molinajose.francisco.garcia@ubi.ptCentre For Mechanical and Aerospace Science and Technologies (C-MAST), Universidade da Beira Interior

Bożena Szczucka-LasotaSilesian University of Technology, Transport Department

Tomasz WęgrzynSilesian University of Technology, Transport Department

Abílio P. SilvaCentre For Mechanical and Aerospace Science and Technologies (C-MAST), Universidade da Beira Interior

Alberto MaceirasCentre For Mechanical and Aerospace Science and Technologies (C-MAST), Universidade da Beira Interior

Abstract:

Thermosetting polymers are very popular in the automotive and aeronautic industry, in particular epoxy resin is widely used as matrix thermoset in carbon and glass  fibre reinforced composites. The properties of these epoxy-based polymers can be improved with the addition of particulate or small fibre materials in order to construct a lightweight material with enhanced mechanical and structural response. This work aimed to manufacture and characterize epoxy resin reinforced composites with iron (II,

III) oxide (magnetite, Fe3O4) in amounts of 0.25, 0.5 and 1 wt%, and 2 and 4 wt% of fumed silicon dioxide (silica, SiO2). Mechanical properties were investigated by three-point bending flexural test, fracture toughness, flexural stress relaxation. In addition, apparent porosity, apparent density and Differential Scanning Calorimetry tests were performed. The results showed that the addition of Fe3O4 does not contribute significantly to the improvement of mechanical properties. However, fumed SiO2 promotes a considerable improvement in the mechanical properties.

 

Keywords: Composite, epoxy resin, Fe3O4, SiO2, mechanical properties

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