Scientific Journal of KubSAU

The modeling method of heat extension in a detail in the combined process of plasma spraying coating with electromechanical treating and cooling by water jet is worked out. It is shown, that water cooling essentially decreases detail surface temperature and forms more strong coating thank to reduction of inner strains in the coating

On the basis of one of the discrete methods (Smoothed Particles Hydrodynamics Method) a mathematical model of the combined hardening of surface details was developed. The model allows optimizing the processes of plasma spraying, me-chanical, electro-mechanical processing

Theoretical questions and data of combined process of plasma spraying with simultaneous electromechanical sprayed coating treating are presented. This pro-cess includes two heat sources (plasma spraying spot and contact place of roller with sublayer) and two drains of heat from watercooled jets. The process fac-tors and their values are described on a full scale. The mathematical model of thermal process in above-mentioned object of investigation is worked out on idea of contact or seam welding

On the base of the smoothed particles hydrodynamics method, the mathematical model of plasma coating process on details surfaces in the mode of electrical parameters modulation is performed. This model al-lowed optimizing the plasma coating process parame-ters

The article shows the possible ways to control the quality of plasma coatings, such as modulation of the electrical parameters of indirect and remote arc plas-ma torch, vibration, thermal and electro-coating pro-cess, etc. Theoretically based on mathematical model-ing and experimental results of the effect of modula-tion of electrical parameters of the plasma deposition and hardening coatings on their quality are listed. We also developed new high-saving technologies and equipment for applying and hardening coatings on in-ner and outer compact surface on flat, cylindrical and shaped the surface of parts of friction pairs

Some possible ways to control the quality of plasma coating are presented. An advanced method of plas-ma coating perfection is observed. It is characterized by combination of plasma spraying with simultaneous electromechanical treating of coating. The analysis of combined process factors is given. Besides, there are computer modeling results of process factors effects on coating quality parameters