A number of studies have been conducted over the past few years with the aim of modeling high-speed particle-substrate interactions during cold spraying. This paper summarizes the work conducted and some of the more important findings. Based on experimental measurements and dynamic deformation modeling, it is shown a radial jet of metal forms at the contact zone during cold spraying. The effect is similar to that observed in explosive welding and it leads to corona-shaped ejection of metal at the periphery of the contact zone. Paper includes a German-language abstract.

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