Abstract
In this paper the kinetics of multimaterial (composite) coating formation in case of cold spraying of metal powder mixtures is considered. In particular, a semi-empirical probability simulation model was developed and applied for prediction of coating final composition in dependence on initial percentage of metal powders in the blend. Developed model permits to take into account the differences between deposition efficiencies and granulometry of each spraying component. Experimental validation using there-component 316L-Cu-Tribaloy mixtures with different component percentage shows that simulation results are in a good agreement with experimental ones. It was demonstrated that the dependence of coating composition on percentage of mixture component is non-linear. The further work will be aimed on the enlarging of the current model to the cases with mixtures with significant difference between particle sizes of the components.
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