Synthesis and mechanical properties of cotton fabric reinforced geopolymer composites
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NOTICE: This is the author’s version of a work that was accepted for publication in Composites Part B. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Composites Part B, Vol. 60 (2014). doi: 10.1016/j.compositesb.2013.12.036
Geopolymer composites reinforced with different layers of woven cotton fabric are fabricated using layuptechnique. Mechanical properties, such as flexural strength, flexural modulus, impact strength andfracture toughness of geopolymer composites reinforced with 3.6, 4.5, 6.2 and 8.3 wt% cotton fibresare studied. The fracture surfaces of the composites are also examined using scanning electron microscopy.The results show that all the mechanical properties of the composites are improved by increasingthe cotton fibre contents. It is found that the mechanical properties of cotton fabric reinforced geopolymercomposites are superior to pure geopolymer matrix.
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