Effect of fiber loading of biocomposite fused filament fabrication

Kasim, Muhamad Luthfy (2019) Effect of fiber loading of biocomposite fused filament fabrication. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Due to renewables and environmental issues, the development of high performance engineering products made of natural resources is growing worldwide. Composite is an advance material which combines two or more materials to possess superior properties compared to the individual component. Therefore, this paper presents the developments kenaf /ABS (Acrylonitrile butadiene styrene) biocomposite filament of Fused Filament Fabrication. Mechanical test (tensile test, flexural test and surface roughness) also applied to the biocomposite to determined their mechanical properties. The effects of Kenaf fiber loading and Acrylonitrile butadiene styrene (ABS) as a matrix on mechanical properties were studied. This paper also evaluated the impacts of fiber surface modification on kenaf fiber characteristics, and on biocomposite mechanical characteristics. The composites were prepared by incorporation of kenaf core powder at different loadings into (ABS) matrix. The kenaf fiber first was treated using a chemical treatment to improve the bonding strength between the fiber and the matrix. The fiber and ABS pallets then were mixed with AN internal mixture and the composite was extruded using and extruder to fabricate the biocomposite filament. Their results show there is an optimum fiber content to achieve the greatest mechanical properties of the biocomposite. As\ conclusion, the optimum fiber content between 5wt%, 7.5wt% and 10wt% is 7.5wt% as there is sufficient fiber content in the composite and does not create fiber agglomeration in the composite that can affect the mechanical properties.

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