Simulation Analysis of Splat Deposition in Plasma Spray Forming

Splat deposition is an important part influencing coating quality in plasma spray forming. Flatten behavior of a single Ni droplet falling on a smooth substrate is evaluated by numerical simulation of ANSYS software, this paper meanwhile researches a single Ni particle deposition in the surface of flattened Al2O3 sheet and thin Al particles, the impact factors of particles flattening and the mechanism of the interaction between particles are also studied. The results have benefit to improving the coating porosity and bond strength between particles.

Study of Splat Particle Temperature Distribution in Plasma Spray Forming

This paper studies the thermal interaction of Ni particle and Al particle setting in the carbon steel surface using ANSYS software by finite element numerical simulation. It highlights the temperature-time change of feature points that are at different locations of flattened particles and substrate, and micro-contact heat transfer of particle and substrate surface is also analyzed. The results help to study residual stress distribution of a splat particle in the plasma spray forming, which further provide an important basis for improving the quality of the coating.