Investigation of Influence of Plasma Spraying Process Parameters on the Level of Residual Stresses

Abstract:

The method to determine thermal fields considering dependence of thermophysical and mechanical properties of coating materials and a base from the temperature, the running of plastic deformations and stresses relaxation at plasma spraying is suggested. The mathematical model of calculation of thermal field with moving boundary considering nonlinear feature of coating growth at layer-by-layer deposition and dependences from thermophysical properties of materials of the system «coating-base» is developed. The model application helps to estimate the effect of the parameters of plasma spraying process on the level of the residual stresses in the increased coatings.

• Periodical: Key Engineering Materials (Volume 864)
• Pages: 198-203
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.864.198
• Online since: September 2020
• Authors: Igor Nikolaevich Kravchenko, Yuri A. Kuznetsov*, Vladimir V. Goncharenko, Larisa V. Kalashnikova
• Keywords: Base, Coating, Material, Mechanical Properties, Plasma Spraying, Residual Stresses, Thermal Field, Thermal Treatment, Thermophysical

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