Kevlar Reinforcement in Treated Kenaf Composites: Tensile and Impact Properties

Abstract:

This research was carried out to investigate the mechanical properties of hybridization composite material which used treated kenaf long fibre with Kevlar reinforcement and polyester as matrix. The purpose of this research is to improve the tensile strength and impact resistance quality of kenaf fibre, so it can be widely used in automotive, military and marine application. From this study, hybrid composites were fabricated by hand lay up and cold press method. The hybrid composites were studied by experimental using Instron Universal Testing Machine according to the standard ASTM D3039. Impact test were conducted using drop tower device according to the standard ASTM D3763. It is clearly observed that the mechanical properties were increased with the addition of weight percentage of woven Kevlar in the kenaf composites. The highest energy was recorded at by hybrid composite in combination of 20 wt% Kevlar. The structure observation of impacted hybrid samples showed that as the impact energy increased, the energy absorbed was also increased. It is found that reinforcing kenaf fibre composite with woven Kevlar can improve mechanical properties of kenaf fibre.

• Periodical: Advanced Materials Research (Volume 1113)
• Pages: 68-73
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1113.68
• Online since: July 2015
• Authors: Noor Haznida Bakar*, Koay Mei Hyie, Anizah Kalam, Z. Salleh, Noel Imang, Fabinus Dualis
• Keywords: Hybrid Composites, Impact, Kenaf, Kevlar, Tensile

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