Sugarcane bagasse (SB) and Coir fibre (CF) are two cellulose fibres/agricultural waste products found to constitute great environmental challenges, this has initiated a need to study them for probable potentialities as alternative use in the field of material science and engineering development apart from their localized usage. Consequently, this paper intends at reviewing these two agricultural waste material compositions characteristically to identify their potential development as renewable composite materials. Sugarcane bagasse has a chemical composition within the range of 88.13%, while Coir fibre varies from 25% - 76% of silica content depending on the type of treatment. This is a good quality material for composite production. The compatibility of these cellulose reinforcing agents and their adhesive matrix can be linked to their high cellulose, lignin, and other fibre contents and these can be explored in developing a multiphased system with different properties from the original components while retaining the qualities of the material among other potentials. These two agricultural by-products are good sources of fuel for electricity generation and agents of pozzolanic and polymerization with polypropylene for flame retardation. To conclude, therefore, SB and CF are decent resources for composites production and renewable energy, with excellent biodegradable characteristics consequently controlling environmental degradation.
The management of waste products may reduce pollution and dumping sites. Therefore, one of the main goals of contemporary research is to recover these wastes through conversion into a more environmentally acceptable material that applies to fabrication engineering. This study demonstrated that waste products such as plantain waste are good reinforcement in the development of composite materials because it was found to be environmentally responsible and economically inventive. Materials made from agricultural waste appear amazing, showing immense potential and boosting green engineering. This research investigates the mechanical behaviours of silumin alloy reinforced with carbonized plantain fibre (CPF) for developing motorbike clutch lever. The ISO standards sieve series specifications of 565 and 3310/1 were employed under the requirements of the American Society for Testing and Materials (ASTM). The different weight percentages of 2.5-10% of CPF were used to advance the investigated matrix composites. The morphology of the surface damage behaviour of the composites was investigated via scanning electron microscopy (SEM). The results of the mechanical property showed an increase in wear behaviour. The best signal-to-noise (SN) ratio, a criterion for evaluating the superiority features, was attained through Taguchi's robust design process and was validated using Minitab18 software. The optimal wear value of 50.20g/min and the control factors are established for the composite.
This study utilizes response surface methodology (RSM) to estimate the engineering parameters of PFAP/silumin composites. The tensile strengths of the developed composites were evaluated using a Box-Behnken design (BBD), considering factors such as weight fraction, particle size, soaking time, plantain fiber ash particulate concentration, and silumin. The results indicate that the weight fraction of fibers has the greatest influence on tensile strength, with interaction effects being more significant than linear and quadratic effects. The predicted tensile strengths of the PFAP/silumin composites, obtained through RSM, closely matched the experimental values, validating the reliability of the software. The range of predicted tensile strengths was found to be 44.66 MPa to 64.05 MPa, while the obtained experimental values ranged from 40.31 MPa to 75.98 MPa. This study demonstrates the effectiveness of the BBD method in quickly obtaining optimum values of tensile strength for PFAP/silumin composites. Furthermore, this research highlights the promising potential of utilizing waste materials in the automotive industry, particularly in East Africa. Keywords: Response surface methodology (RSM), Natural fibers, Hybrid composites, Tensile strength Agro-waste, Cellulose fiber, Box-Behnken design (BBD), Automotive industry.
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