Mechanical properties of glass fiber pineapple leaf reinforced polyester hybrid composite

Sarman, Nurhuda (2024) Mechanical properties of glass fiber pineapple leaf reinforced polyester hybrid composite. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Many byproducts, both plant and animal, from agriculture and industry accumulate daily. Reducing environmental impacts, advancing the circular economy agenda, and giving waste value all need using these materials, although doing so is challenging. Therefore, this research aims to develop a glass fiber pineapple leaf reinforced polyester hybrid composite and analyze its mechanical properties. Mechanical properties were determined by conducting tensile, flexural, impact, and water absorption tests on the difference ratio of composites. The composite ratios consist of 20% pineapple leaf and 80% polyester (20PL80P), 40% pineapple leaf and 60% polyester (40PL60P), 50% pineapple leaf and 50% polyester (50PL50P), 60% pineapple leaf and 40% polyester (60PL40P), and 80% pineapple leaf and 20% polyester (80PL20P). A composite material consisting of pineapple leaf, glass fiber, and polyester is fabricated utilizing a hand lay-up technique to obtain five different ratios. The testing specimen is created by cutting the fabricated material using a computer numerical control (CNC) router machine. Statistical methods are used to examine the data. The mechanical properties of glass fiber pineapple leaf reinforced polyester hybrid composite are analyzed numerically, and the results are visualized graphically. The ratio of glass fiber pineapple leaf reinforced polyester hybrid composite will affect all possible composites. Based on the mechanical testing composite ratios consisting of 40% pineapple leaf and 60% polyester (40PL60P) have stronger strength, higher maximum stress, and superior impact strength compared to other ratios. ANOVA findings showed P-values below α = 0.05, requiring the Tukey test to distinguish composite ratio means.

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