Abstract
The woven fabric carbon/epoxy composite is one of the commercially well-recognized composite materials for structural applications like aerospace systems, automobiles and also in ship building industries. In the present investigation, dynamic mechanical behavior of woven fabric carbon epoxy composite laminate fabricated, by blending micron sized rubber and nanosized silica particles of varying weight fraction in epoxy matrix was studied. Silica in nanosize was added in two different weight fractions say 6 and 11% by weight in 9 wt% rubber particle blended epoxy matrix. The composite plates were fabricated by hand layup method with 40% of fiber volume fraction. The storage modulus, loss modulus and tan delta values were evaluated by conducting dynamic mechanical analysis for all the specimens as per the ASTM standards. Results from the DMA tests under temperature sweep for the constant frequency range of 1 Hz reveals that there is significant increase in the tested parameters like storage modulus and loss modulus of the hybrid composite.
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