Effect Of Stitching On Kenaf Woven Fabric Embedded Thermoset Binder System In Intraply Composite

Lye, Michelle Chuok Fang (2018) Effect Of Stitching On Kenaf Woven Fabric Embedded Thermoset Binder System In Intraply Composite. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Natural fibers have the high tendency to replace synthetic fibers because its offer high strength properties,eco-friendly,low cost and low density. Therefore,the development of natural fibers has been the interest to researcher and many fields of the manufacturers such as aircraft and automotive used as reinforcement to fabricate a high strength property of composite materials.Besides that,there are many researchers focused on the natural fibers-based composite in the form of laminate,but there is no specific study on the combination of stitches and natural fibers to fabricate an intraply composite.The effect of stitching on kenaf woven fabric embedded thermoset binder system in intraply concept was investigated.The purpose of this study is to develop an intraply composite by incorporating kenaf fibers as reinforcement with different stitching parameters and epoxy resin as matrix. There are eight types of stitch designs will be stitched on kenaf woven fabric by using singer 8280 electronic sewing machine.This intraply composite is fabricated by combination of hand lay-up technique and vacuum bagging technique to enhance the properties of the composite. Furthermore,all fabrications and the testing methods are based on ASTM standards.Next,the fracture surface morphology of the samples tested were analyzed by using scanning electron microscopy (SEM).In this study,the result revealed that T60/60 stitch woven kenaf produced the best mechanical performance by increased the specific strength of 53.17 % compared to unstitch woven kenaf.From the study,the performance of best stitch design has potential to produce natural helmet as to replaced synthetic thermoplastic to enhance the impact and tensile properties of the composite.

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