Effects of Mono (Al/Cu) Metallic and Hybrid (Al-Cu) Metallic Fillers on Flexural Performance of Epoxy Composites

摘要

Several series of epoxy composites were prepared from micro metallic particulates of aluminium, copper and hybrid aluminium and copper. The weight fractions of three different fillers were varied from 10 to 40 wt % at varying intervals of 10%. The hybrid Aluminium-Copper filled epoxies were prepared by varying fillers in four different combinations. The effect of addition of the above particulate fillers on flexural properties of polymer composite with epoxy LY556 matrix has been studied. The increase in filler fraction increases the flexural modulus of epoxy composites while degradation in flexural strength was observed. Further studies were carried out on fractured surfaces using scanning electron microscopy to understand the fracture mechanism.