Modelling and Experimental Investigation of A Plasma Spraying System

In this study, the relationship between the parameters of the atmospheric plasma spraying process and the in-flight properties of the particles was determined experimentally using an optical measurement system, DPV2000. The coating microstructure was investigated using analysis of SEM (Scanning Electron Microscope) images. The morphology of individual splats was studied to shed light on the relationship between the in-flight particle properties and the coating characteristics. The results demonstrate that changing the vertical position of the torch relative to the sensing head of DPV2000 has a strong effect on the particles velocities and temperature distributions.