Characterization Of Mechanical Propertise On Polystyren E/E-Glass In The Absence And Presence Of Charcoal Particles

Lee, Beng Choon (2008) Characterization Of Mechanical Propertise On Polystyren E/E-Glass In The Absence And Presence Of Charcoal Particles. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research presents the characterization of the mechanical properties on the Polystyrene/E-glass composite in the absence and presence of the charcoal particles. The purposes of doing this research are to determine the value of mechanical properties of the polystyrene/E-glass/charcoal hybrid composite upon the different charcoal loadings and to analyze the morphology behavior of the hybrid composite in relation to their mechanical properties. In this project, the charcoal particles, E-glass fiber with the length of 4mm and polystyrene pellet are used to form composite with the weight ratio 10:0:0, 7:3:0, 7:2:1, 7:1.5:1.5 and 7:1:2. The size of charcoal particles was characterized by using SEM. The specimens were fabricated by using the internal mixer, crusher and compression-moulding machine to form the composite sheet. The composite sheets were then cut into the dimension as required by ASTM 638 and ASTM 790. The specimens were divided into two categories; one was subjected to mechanical testing and another one was subjected to water absorption testing prior to mechanical testing. The effect of the charcoal loadings and water absorption on the tensile properties and flexural properties of the specimen were observed. The dry specimens were then further analyzed with the morphology analysis on the fracture surface of the specimen by using the SEM. The results showed that the charcoal filled composite had increased the tensile strength and tensile modulus as the charcoal loading increased. The optimal flexural properties of the PS/E-glass/charcoal hybrid composite were found at the weight ratio of 7:1.5:1.5 and leveled off at charcoal loading of 20wt%. The morphology behaviors showed were observed conformed to the obtained mechanical properties. The hydrophilic character of charcoal attributed the charcoal filled PS/E-glass specimens present improved of tensile stress and flexural modulus after of the water absorption. Additionally, the addition of charcoal into PS/E-glass was found reducing the density of the hybrid composite.

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