Abstract
Carbon fibre reinforced composites finds diverse range of applications in the fields of automobiles, aircrafts, marine structures etc. Even though carbon fibres offer higher flexural strength, expensiveness of these fibres limits their use. This article suggests an alternative in the form of carbon/ glass fibre hybrid composites. The present article throws light on the study of flexural behavior and hardness on the specimens of glass and carbon fibre reinforced hybrid epoxy composites subjected to accelerated ageing. Four sets of laminated composites were prepared by hand layup process by adding graphite filler of 5%, 10%, 15%. Three sets of specimens with different filler content aged by boiling at different temperatures of 40 °C, 60 °C and 80 °C respectively with one set left unaged were subjected to shore D hardness test and flexural test. It was observed that the specimens with 5% graphite filler showed better flexural behaviour in comparison to the specimens with other filler content. Also it was observed that the flexural strength and flexural modulus decreases with increase in filler proportion and boiling temperature. However a little variation was found in the hardness of specimens with varying filler proportion and boiling temperatures.
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