Abstract

An integrated technological system for modeling, experimental study, and practical realization of plasma spraying process was devised. The system provided simulation of the main plasma spraying process stages (heating and acceleration of particles in a plasma jet, coating structure formation, heat transfer, and stress–strain state in a coating–substrate system); experimental measurement of the main plasma spray characteristics and entering them in a computer in a real time mode; computer control of the spraying process; and plasma spray coating corresponding with the devised technological process. This integrated system was upon the basis of vacuum plasma spraying “Plasmatechnik” equipment. An original opto-electronic system was used for experimental measurement of temperature, particle velocity, and coating temperature.

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