Table 2: Depths of the molten pools on different laser process parameters (unit: mm).

Scanning timeLaser power
P = 1600 WP = 1800 WP = 2000 WP = 2200 W

t = 3 s0.3050.3580.5790.595
t = 5 s0.5160.4110.6530.668
t = 7 s0.5890.6000.7260.740