Abstract
Composites are one of the most advanced and adaptable engineering materials. The strength of any composite depends upon volume/weight fraction of reinforcement, L/D ratio of fibers, orientation angles and other factors like curing temperature etc. The present work focuses on mechanical properties of carbon fiber reinforced epoxy composite material. Tensile testing of specimens are prepared and tested according to ASTM 3039. Composite properties like Young's modulus (E1), transverse modulus (E2), poisons ratio (υ12), failure stress (σ1) and strain (ɛ1). The experiment is conducted on Computer controlled Universal testing machine with proper mounting of strain gauges and extension meters. Mechanical properties obtained from these samples are input to the FEM model to find the stress and strain distribution in each layer and at interface. Finally the numerical results are compared with experimental results. The variation between Experimental results and numerical results is less than 5%.
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