Abstract

The article analyzes the effect of reflow and thermal cycling by laser beam on the structure and properties of plasma eutectic coatings. The facts of carbon diffusion into the solid phase at a distance of 150-200 microns with a laser pulse duration of 4 ms have been established. This is due to the high deformation rates that occur in the zone of thermal influence under pulsed laser action. This effect is aimed at increasing both the surface and volumetric strength of the sprayed coatings.

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