Abstract
The correlation between particle temperature and velocity with the structure of plasma-sprayed zirconia coatings is studied to determine which parameter most strongly influences the coating structure. The particle temperature and velocity are measured using an integrated optical monitoring system positioned normal to the spraying axis. The total porosity, angular crack distribution, and thermal diffusivity are correlated with the particle temperature and velocity. Results show that the temperature of the sprayed particles has a larger effect on the coating properties than the velocity in the conditions investigated.
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Prystay, M., Gougeon, P. & Moreau, C. Structure of plasma-sprayed zirconia coatings tailored by controlling the temperature and velocity of the sprayed particles. J Therm Spray Tech 10, 67–75 (2001). https://doi.org/10.1361/105996301770349529
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DOI: https://doi.org/10.1361/105996301770349529