A Powder Bed Fusion (PBF) process uses a focused laser beam to melt tracks in thin...

  

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A Powder Bed Fusion (PBF) process uses a focused laser beam to melt tracks in thin layers of a titanium alloy powder. The average melted and solidified track cross-sectional area is 0.25 mm2 and the neighboring tracks overlap by an average of 50% in cross-sectional area to eliminate all porosity (1.e., the overall volume deposition rate is half the volume rate of an individual track). The true density (no porosity) of the alloys is 4.5 g/cm3. Estimate the time to print a 1 - kg component of the alloy for a laser speeds of 1000 mm/s, neglecting the time to spread the powder between printing each layer. A Powder Bed Fusion (PBF) process uses a focused laser beam to melt tracks in thin layers of a titanium alloy powder. The average melted and solidified track cross-sectional area is 0.25 mm2 and the neighboring tracks overlap by an average of 50% in cross-sectional area to eliminate all porosity (1.e., the overall volume deposition rate is half the volume rate of an individual track). The true density (no porosity) of the alloys is 4.5 g/cm3. Estimate the time to print a 1 - kg component of the alloy for a laser speeds of 1000 mm/s, neglecting the time to spread the powder between printing each layer.

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