Experimental Study of Direct Laser Deposition of Ti-6Al-4V and Inconel 718 by Using Pulsed Parameters

Table 1

Experimental parameters used in the experiment.

Sample no.	Peak power (W)^A	Pulse length (ms)	Period (ms)	Duty cycle^B	Powder mass flow rate (g/s)
1	1500	20	50	0.4	0.358
2	857	35	50	0.7	0.358
3	600	—	—	1	0.358
4	1500	20	50	0.4	0.586
5	857	35	50	0.7	0.586
6	600	—	—	0.1	0.586
7	1500	20	50	0.4	0.674
8	857	35	50	0.7	0.674
9	600	—	—	1	0.674

AMean power = 600 W in all cases; ^Bduty cycle = pulse length/period.