Investigation of surface coating preparation of high-aluminum bronze alloy by induction remelting process

摘要

With the oxygen-acetylene flame spray technology, the high aluminum copper alloy coating (Cu-14Al-X) was precasted in surface of steel 45#. Then, the coating was remelted by using the high frequency induction heating technology. Using the optical microscope, EPMA, the coating organization, interface combination and interface element diffusion was analysised. The results showed that the high frequency induction remelting process can prepare metallurgical-bonding interface, get good rid of the oxide residue of coating, and get compact structure coating. From this investigation, The conclusion can get that high frequency induction remelting process has the ability of the preparation of non-self-fluxing coating of copper-based alloy, and there was a good interface combination attribute the success to interdiffusion of the coating elements and substrate elements.