Synthesis and study of the effect of Shock waves on nano composites

Abstract

Vanadium Carbide-Carbon Shells nanomaterial was synthesized using hydrothermal method with the help of several steps and also, nano alpha-aluminium oxide was synthesized using solid combustion synthesis process. Preparation of aluminium oxide/vanadium carbide-carbon shells composite was done through as aluminium oxide reinforced with 5 wt. % vanadium carbide-carbon shells. A platelet like structure was observed for vanadium carbide-carbon shell from the SEM images. The XRD graph of α-aluminium oxide was shown with sharp peak which indicates that the nanomaterial was crystalline and xrd graph of vanadium carbide-carbon shells show semi crystalline nature. The densities of the sintered samples were calculated and the percentage of densification achieved as compared to the theoretical value was obtained. The compressive strength of pure alumina sample achieved was 7.28 MPa. As observed from the graph, it can infer that the sample has very less compressive strength at the outer layer. The compressive strength of vanadium carbide reinforced alumina sample achieved was 12.57 Mpa. This shows a considerable increase in the compressive strength of the alumina matrix composite because of addition of 5 wt% vanadium carbide. It can be concluded that related to thermal stability, this material has the capability to maintain the largest possible temperature difference across its faces over a shorter duration without any deformations.