Mechanical properties of glass fiber polyester hybrid composite filled with sugarcane bagasse

Lou, Ke Xin (2024) Mechanical properties of glass fiber polyester hybrid composite filled with sugarcane bagasse. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In recent times, the utilization of natural waste-based materials in manufacturing engineering and technology has become widespread due to their significant properties. Natural waste-based materials such as sugarcane bagasse as one of the natural fibers to prevent environmental pollution. The objectives of this research are to fabricate a glass fiber polyester hybrid composite filled with sugarcane bagasse, perform the fabricated materials into the testing specimen, and examine the mechanical characteristics and environmental aspect of the manufactured materials through assessments including tensile, flexural, impact, and water absorption tests. The hand lay-up technique was used to make the composite mixtures, yielding five ratios between natural and synthetic materials. These composites ratios are 20% of sugarcane bagasse and 80% of polyester (20SB80PR), 40% of sugarcane bagasse and 60% of polyester (40SB60PR), 50% of sugarcane bagasse and 50% of polyester (50SB50PR), 60% of sugarcane bagasse and 40% of polyester (60SB40PR), and 80% of sugarcane bagasse and 20% of polyester (80SB20PR). The fabricated material will be cut into the testing specimen using the computer numerical control (CNC) router machine and their mechanical properties and environmental aspect will be analyzed through tensile, flexural, impact, and water absorption tests. Statistical analysis will be employed to assess the collected data. Numerical computations and graphical demonstrations will be conducted to observe the mechanical performance of the sugarcane bagasse-filled glass fiber polyester composite across the five different ratios. The findings revealed that the composite with 20% sugarcane bagasse exhibited superior mechanical behavior compared to the other composites.

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