properties of aluminium thin films by nanoindentation. The properties of sputtered aluminium films on polycarbonate were tested with a variation in coating thickness. The resulting data obtained from nanoindentation was studied using load–displacement curves and also with the variation of hardness, stiffness and Young’s modulus with indentation depth. The results obtained showed the change in composite mechanical properties with variation in thickness of aluminium coating. The effect of soft polycarbonate substrate on the mechanical properties was analyzed. Keywords: Aluminium, mechanical properties, nanoindentation, polycarbonate, substrate effect
