Journal
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
Volume 50, Issue 13, Pages 1362-1366Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2011.584239
Keywords
Composite; Epoxy resin; Kenaf fibre
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Funding
- Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia (UPM)
- Faculty of Mechanical Engineering, Universiti Teknologi MARA (UiTM)
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This article presents the effects of fiber volume fraction on the existence of a transition region in unidirectional kenaf/epoxy composites. The composites were made from hand Lay-up techniques, with three formulations of fiber volume fraction employed: 0% (neat), 15% and 45%. The results showed that tensile properties such as tensile strength and modulus of elasticity increased as the fiber volume increased. The stress-strain curves showed that the kenaf/epoxy composites exhibited bi-linear responses with reductions in the modulus of elasticity. Surface morphology aided by a scanning electron microscope (SEM) revealed that the reduction in the modulus of elasticity was due to matrix cracking.
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