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Cross-sections of the surfaces of LPBF Ti6Al4V (ELI)-1 at % Cu manufactured at the laser power of 170 W, scanning speed 1.0 m/s: (a) 70 µm hatch distance, single scan strategy; (b) 70 µm hatch distance, rescan strategy; (c) 100 µm hatch distance, single scan strategy; (d) 100 µm hatch distance, rescan strategy.
