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Combined Effects of Water Absorption Due to Water Immersion, Soil Buried and Natural Weather on Mechanical Properties Of Kenaf Fibre Unsaturated Polyester Composites (KFUPC).

Rashdi A.A.A. , and Sapuan S.M., and Ahmad M.M.H.M., and Khalina A., (2010) Combined Effects of Water Absorption Due to Water Immersion, Soil Buried and Natural Weather on Mechanical Properties Of Kenaf Fibre Unsaturated Polyester Composites (KFUPC). International Journal of Mechanical and Materials Engineering, 5 (1). pp. 11-17. ISSN 1823-0334

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Official URL: http://ejum.fsktm.um.edu.my/ArticleInformation.aspx?ArticleID=852

Affiliations

Universiti Putra Malaysia. Faculty of Engineering
Universiti Pertahanan Nasional Malaysia. Faculty of Engineering

Abstract

Kenaf Fibre reinforced composites have been gaining wide use in the variety of applications. The performance of these composites may suffer when the material is exposed to adverse environments for long periods of time. Kenaf fibre unsaturated polyester composites (KFUPC) were subjected to three environmental tests: water immersion, soil buried and natural weather tests, in order to study the effect of water/relative humidity absorption on the mechanical properties of specimens containing 10, 20 and 30% by weight of fibre content. Tensile strength and modulus of the composites were determined. A decrease in tensile properties of the composites was demonstrated, showing a great loss in mechanical properties of the humid samples compared to the dry samples. The percentage of moisture uptake increased as the weight percentage of fibre is increased due to the high cellulose content. The water absorption pattern of these composites was found to follow Fickian behavior.

Item Type:Journal
Additional Information:The authors wish to thank Universiti Putra Malaysia for the financial support through Research University Grant Scheme (RUGS) in acquiring the polymer materials.
Keywords:Polyester kenaf composite, Water immersion, Soil buried, Natural weather.
Subjects:T Technology, Engineering
ID Code:11793

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