Effect of fiber volume fraction to tensile strength in com- posites polyester reinforced Sugar Palm Fiber (SPF)

Fatkhurrohman and Zunairoh
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Fatkhurrohman: Gadjah Mada University, Yogyakarta, Indonesia
Zunairoh: Airlangga University, Surabaya, Indonesia

Journal of Advances in Technology and Engineering Research, 2018, vol. 4, issue 6, 222-229

Abstract: Manufacturing of eco-friendly composites has been increased due to recyclability and biodegradability factors. The effect of fiber volume fraction on tensile strength in composites polyester reinforced Sugar Palm Fiber (SPF) has been studied experimentally. This study aim is to investigate the effect of fiber volume fraction on tensile strength of composites polyester reinforced SPF and fracture failure after tensile testing, then these data results can be used as references on manufacturing industries such as boat building, which are expected can be replaced with com- posite polyester reinforced by SPF. SPF is soaked in an alkaline solution of 5% NaOH for 2 hours, then composites laminate with five different fiber volume fractions were fabricated with hand lay-up and press molding and tested under tensile loads respectively, for the tensile test specimen refer to the standard ASTM D-638. The test result showed that the highest tensile strength has obtained in fiber volume fraction of 40% amounting to 24.65 MPa and the elongation has obtained 7.73%, while the lowest tensile strength has obtained in fiber volume fraction of 20% amounting to 17.55 MPa and the elongation has obtained 4.41%. Based on the result and analysis use single-way ANOVA, it can be concluded that the composite polyester reinforced SPF has the optimum tensile strength on fiber volume fraction of 40% and fiber volume fraction has an influence on tensile strength of composite polyester rein- forced SPF. Fracture failure and cross-sectional shape of composite material after tensile testing showed that there are two types of failure, namely fiber pull out and delamination that indicate the bond between fiber and matrix is weak.

Keywords: Composites polyester; SPF; Fiber volume fraction; Tensile strength (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:apb:jaterr:2018:p:222-229

DOI: 10.20474/jater-4.6.2

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