Abstract
Cold Spray (CS) is an additive manufacturing process which uses the extreme plastic deformation of micron scale particles to repair surface defects. This process requires accelerating particles to very high velocities (200-1000 m/s) by a supersonic compressed gas jet at temperatures well below particle's melting point. Although many metals and alloys have been successfully processed using the CS techniques, the accurate dynamic responses of individual metallic particles related to the deformation characteristics are still largely unknown. Therefore the main objective of this research is to investigate the mechanics of single particle impact. The outcome of this study can be used to study multi-particle impact and ultimately study the mechanics of 3D-printed metals using CS technology.
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