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Is cold spray additive manufacturing?

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Figure

Figure 1: Schematic of the cold gas dynamic spray process [5].
Figure 2: Schematic of the dependence of deposition efficiency on particle impact velocity [6]
Figure 3: Temporal evolution of an impacting copper particle onto a flat copper substrate during cold spray from finite element analysis (a) 4.4 ns, (b) 13.2 ns, (c) 22.0 ns, and (d) 30.8 ns [7]
Figure 4 Schematic diagram showing the effect of particle size on critical velocity and particle velocity, which defines the optimum particle size range for cold sprayability [15]

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