Additive manufacturing of natural fibre reinforced thermoplastic composites

Poo, Wei Sheng (2018) Additive manufacturing of natural fibre reinforced thermoplastic composites. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Additive manufacturing is a fast growing technology and widely used in industry production in worldwide. Low cost of fused deposition modelling (FDM) is the most common used and popular among the 3D printing printers such as selective laser sintering (SLS) and stereo lithography (SLA). 3D printing technology can print some complex geometrical structure without tool and mould. Unfortunately, it still face big challenge which is mechanical performance of printed part only can show as display model. In order to ensure the quality of printed part, it is essential to develop new printing material for FDM 3D printer. The aim of this project is to study the influence of mechanical properties using Kenaf fibre reinforced PLA thermoplastic as feed filament for FDM 3D printer. Variables used for this experiment was PLA filament, PLA filament extruded from PLA pellet, PLA + 3wt % of Kenaf fibre and PLA + 5wt % of Kenaf fibre. Source of material and 3D printer will set as control variable to obtain the consistency result. There are 4 experiment for each responses that were arranged using design of experiment (DOE) method. This project is going to study if 3D printing of thermoplastic reinforced with natural fibre can increase tensile properties of printed part. The feedstock filament were fabricated from PLA pellet and Kenaf fibre for 3D print process. After 3D print process, effect on the tensile properties (tensile strength, Young’s Modulus, ductility and toughness) of specimens were experimentally investigated.

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