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Research Article | Open Access

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

Hasan ASSAEDIaThamer ALOMAYRIaFaiz U. A. SHAIKHbIt-Meng LOWa,c( )
Department of Imaging & Applied Physics, Curtin University, GPO Box U1987, Perth, WA 6845, Australia
Department of Civil Engineering, Curtin University, GPO Box U1987, Perth, WA 6845, Australia
Department of Engineering, Curtin College, Building 205, Curtin University Bentley Campus, Kent Street, Perth, Western Australia 6102, Australia
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Abstract

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 ℃.

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Journal of Advanced Ceramics
Pages 272-281
Cite this article:
ASSAEDI H, ALOMAYRI T, SHAIKH FUA, et al. Characterisation of mechanical and thermal properties in flax fabric reinforced geopolymer composites. Journal of Advanced Ceramics, 2015, 4(4): 272-281. https://doi.org/10.1007/s40145-015-0161-1

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Received: 19 February 2015
Revised: 17 June 2015
Accepted: 18 June 2015
Published: 25 September 2015
© The author(s) 2015

This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.

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