Characterisation of mechanical and thermal properties in flax fabric reinforced geopolymer composites

This paper presents the mechanical and thermal properties of flax fabric reinforced fly ash based geopolymer composites. Geopolymer composites reinforced with 2.4, 3.0 and 4.1 wt% woven flax fabric in various layers were fabricated using a hand lay-up technique and tested for mechanical properties s...

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Veröffentlicht in:Journal of advanced ceramics 2015-12, Vol.4 (4), p.272-281
Hauptverfasser: Assaedi, Hasan, Alomayri, Thamer, Shaikh, Faiz U. A., Low, It-Meng
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container_issue 4
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container_title Journal of advanced ceramics
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creator Assaedi, Hasan
Alomayri, Thamer
Shaikh, Faiz U. A.
Low, It-Meng
description This paper presents the mechanical and thermal properties of flax fabric reinforced fly ash based geopolymer composites. Geopolymer composites reinforced with 2.4, 3.0 and 4.1 wt% woven flax fabric in various layers were fabricated using a hand lay-up technique and tested for mechanical properties such as flexural strength, flexural modulus, compressive strength, hardness, and fracture toughness. All mechanical properties were improved by increasing the flax fibre contents, and showed superior mechanical properties over a pure geopolymer matrix. Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) studies were carried out to evaluate the composition and fracture surfaces of geopolymer and geopolymer/flax composites. The thermal behaviour of composites was studied by thermogravimetric analysis (TGA) and the results showed significant degradation of flax fibres at 300 °C.
doi_str_mv 10.1007/s40145-015-0161-1
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subjects Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Fabrics
Flax
Fourier transforms
Glass
Infrared spectroscopy
Materials Science
Mechanical properties
Modulus of rupture in bending
Nanotechnology
Natural Materials
Research Article
Scanning electron microscopy
Structural Materials
Thermal properties
title Characterisation of mechanical and thermal properties in flax fabric reinforced geopolymer composites
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