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Investigation of Impact Performance of Glass / Epoxy Laminates

The main objective of this paper is to investigate the effect of properties of resin and fibre on the performance of Glass/Epoxy laminates, a fibre-reinforced composites. Compression failure of composite structures previously damaged by an impact event is due to the propagation of impact-induced damage mechanisms such as interlaminar bonding, constituent micro cracking, sub laminate buckling, as well as the interactions between these mechanisms. This requires fabrication of woven glass fibre epoxy matrix laminates with 1% graphite fillers. Fabrication is done by vacuum bag method followed by curing for specified time in hot air oven. The impact test was carried out for a specific height with given mass and diameter of hemispherical shape impactor. The compression loading was given to the impacted specimen. The damage size was analyzed. Ultimate Compressive residual strength was then calculated.