Fig. 4

(a) Images of weak arc along with the molten pool area during pulsed DED-Arc, and (b) images of strong arc along with the molten pool area during pulsed DED-Arc.

(a) Images of weak arc along with the molten pool area during pulsed DED-Arc, and (b) images of strong arc along with the molten pool area during pulsed DED-Arc.