Abstract
Abstract Polymer composite materials strengthened with artificial fibres such as carbon, aramid and glass provide more advantages of high strength, high stiffness and low in weight, due to these advantages polymer composite materials are used in varieties of applications. Flexural strength (FS) and inter-laminar shear strength (ILSS) are the most important properties of laminated hybrid composite. In this work, the effect of fibre stacking orientation/sequence on the flexural strength, and inter-laminar shear strength of hybrid composites, carbon fabric and silk satin fabric has been investigated experimentally. SEM evaluation has been carried out to analyse the failure mechanism of composites. The laminate is prepared by hand lay-up technique with carbon fabric as reinforcement, epoxy resin as the matrix system and different weight ratios of silk satin fabric (2, 4, 6 & 8 wt%). The preparation and the testing of the specimen were carried out as per the ASTM standards. The results show that the interlaminar shear strength (ILSS) & flexural strength (FS) values are significantly greater for carbon fibre reinforced composite as compared to hybrid composite (carbon fabric & silk fabric).
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