Table 2 Printing parameters for L-PBF and L-DED of AlCrFe2Ni2 HEAs
Processing condition | L-PBF V = 375 mm/s | L-DED V = 3.3 mm/s | L-DED V = 4.7 mm/s | L-DED V = 6.2 mm/s |
---|---|---|---|---|
Laser spot diameter (mm) | 0.1 | 0.4 | 0.4 | 0.4 |
Laser power (W) | 150 | 230 | 230 | 230 |
Scan speed (mm/s) | 375 | 3.3 | 4.7 | 6.2 |
Hatch spacing (mm) | 0.08 | 0.3 | 0.3 | 0.4 |
Layer thickness (mm) | 0.04 | 0.25 | 0.25 | 0.25 |
Powder feed rate (g/min) | – | 1.89 | 3.07 | 4.32 |