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Effects of water absorption on Napier grass fibre/polyester composites

Lookup NU author(s): Professor Geoff Gibson

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Abstract

The effect of moisture absorption on untreated and alkaline-treated Napier grass fibre-reinforced polyester composites was evaluated. Under room-temperature immersion, the water absorption behaviour of the Napier grass fibre composites conformed to the Fickian diffusion mechanism. Compared with the untreated fibres, the treated fibres absorbed less water due to the removal of lignin and hemicelluloses. The tensile and flexural strength of the Napier grass composites decreased with increased water absorption. SEM analysis showed that the treated Napier grass fibre composites contained fewer fibre pull-outs and splits compared with the untreated composites, which supports the improved performance. (C) 2016 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Haameem JAM, Majid MSA, Afendi M, Marzuki HFA, Hilmi EA, Fahmi I, Gibson AG

Publication type: Article

Publication status: Published

Journal: Composite Structures

Year: 2016

Volume: 144

Pages: 138-146

Print publication date: 01/06/2016

Online publication date: 27/02/2016

Acceptance date: 01/01/1900

ISSN (print): 0263-8223

ISSN (electronic): 1879-1085

Publisher: ELSEVIER SCI LTD

URL: http://dx.doi.org/10.1016/j.compstruct.2016.02.067

DOI: 10.1016/j.compstruct.2016.02.067

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