Study on Press-sintering of Sprayed Coating

Abstract

The press-sintering process of the sprayed coating to improve the denseness and the bonding of the deposited coating has been developed. This new process is superior to the conventional fusing process in which the structural change and the thermal strain of the substrate take place during the treatment. Then, the press-sintering process is applied to a Nickel base self-fluxing alloy coating deposited by oxy-acetylene flame spraying process. Some properties of the press-sintered coating are also investigated.
In conclusion, it is clear that the coating, sintered under suitable pressing, has almost the same denseness and bonding as the fused coating, and a higher wear resistance than the fused one.