Abstract
The purpose of this work is to study the applicability of the Polycarbonate (PC)/ Methyl acrylate (MA) blend and their nanocomposites as a matrix based on high strain rate behaviour. The dynamic mechanical experiments have been performed using Split Hopkinson Pressure Bar (SHPB) on all prepared PC/MA blend and their MWCNTs reinforced nano-composites. Toughness at yield has shown a huge improvement after blending of the neat PC. The peak stress increased to 24 % at limiting strain rate of 11514 /s and to 55 % at the limiting strain rate of 13252 /s for the blend and nano-composite, respectively. During high strain rate testing, ductile failure mode can be observed after the toughening of PC, which is suitable for the confinement of ceramic. The blending of MA showed a remarkable improvement in the fracture toughness at high strain rates, which gets further increased in MWCNTs reinforced nanocomposites.
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