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Characteristics of continuous unidirectional kenaf fiber reinforced epoxy composites
Highlights To show the potential of continuous kenaf fiber to use in bio-composite. To introduce new method of hand lay-up for fabricating bio-fiber composite. To characterize the properties of kenaf fiber epoxy composite. Morphology of the fracture area by using of SEM. To use analytical method to predict the bio-composite properties.
Abstract Kenaf fibers generally has some advantages such as eco-friendly, biodegradability, renewable nature and lighter than synthetic fibers. The aims of the study are to characterize and evaluate the physical and mechanical properties of continuous unidirectional kenaf fiber epoxy composites with various fiber volume fractions. The composites materials and sampling were prepared in the laboratory by using the hand lay-up method with a proper fabricating procedure and quality control. Samples were prepared based on ASTM: D3039-08 for tensile test and the scanning electron microscopy (SEM) was employed for microstructure analysis to observe the failure mechanisms in the fracture planes. A total of 40 samples were tested for the study. Results from the study showed that the rule of mixture (ROM) analytical model has a close agreement to predict the physical and tensile properties of unidirectional kenaf fiber reinforced epoxy composites. It was also observed that the tensile strength, tensile modulus, ultimate strain and Poisson’s ratio of 40% fiber volume content of unidirectional kenaf fiber epoxy composite were 164MPa, 18150MPa, 0.9% and 0.32, respectively. Due to the test results, increasing the fiber volume fraction in the composite caused the increment in the tensile modulus and reduction in the ultimate tensile strain of composite.
Characteristics of continuous unidirectional kenaf fiber reinforced epoxy composites
Highlights To show the potential of continuous kenaf fiber to use in bio-composite. To introduce new method of hand lay-up for fabricating bio-fiber composite. To characterize the properties of kenaf fiber epoxy composite. Morphology of the fracture area by using of SEM. To use analytical method to predict the bio-composite properties.
Abstract Kenaf fibers generally has some advantages such as eco-friendly, biodegradability, renewable nature and lighter than synthetic fibers. The aims of the study are to characterize and evaluate the physical and mechanical properties of continuous unidirectional kenaf fiber epoxy composites with various fiber volume fractions. The composites materials and sampling were prepared in the laboratory by using the hand lay-up method with a proper fabricating procedure and quality control. Samples were prepared based on ASTM: D3039-08 for tensile test and the scanning electron microscopy (SEM) was employed for microstructure analysis to observe the failure mechanisms in the fracture planes. A total of 40 samples were tested for the study. Results from the study showed that the rule of mixture (ROM) analytical model has a close agreement to predict the physical and tensile properties of unidirectional kenaf fiber reinforced epoxy composites. It was also observed that the tensile strength, tensile modulus, ultimate strain and Poisson’s ratio of 40% fiber volume content of unidirectional kenaf fiber epoxy composite were 164MPa, 18150MPa, 0.9% and 0.32, respectively. Due to the test results, increasing the fiber volume fraction in the composite caused the increment in the tensile modulus and reduction in the ultimate tensile strain of composite.
Characteristics of continuous unidirectional kenaf fiber reinforced epoxy composites
Mahjoub, Reza (Autor:in) / Yatim, Jamaludin Mohamad (Autor:in) / Mohd Sam, Abdul Rahman (Autor:in) / Raftari, Mehdi (Autor:in)
05.08.2014
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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