Dynamical analysis of Nano filled - Sisal fiber hybrid reinforced composites

In this present work, the nano filled (Multi walled carbon nano tube) glass and sisal fiber reinforced hybrid composites were fabricated with varying the wt. % of MWCNT's by 0%, 0.5% and 1% respectively. Compression molding technique is used to fabricate the composites and are subjected to dynamic analysis over a range of temperature (30-190 degrees C) at the frequency rate of 5Hz. The effect of temperature and nano filler on storage modulus (E) loss modulus (E ) and damping efficiency (tan S) are determined by using dynamic mechanical analyser (DMA). The shear and loss modulus obtained maximum values for 0.5wt.% MWCNT composites. Damping value is higher for lwt.% MWCNT incorporated composites. By using ultrasonic probe sonicator, nano fillers are mixed in to the epoxy resin to prepare a modified resin. The dynamic properties are evaluated as per as ASTM standards.