Fig. 1. Schematic diagram of experimental setup

Fig. 2. Thin-walled part
(a): Appearance shape; (b): Shape of transversal section

Fig. 3. Schematic diagram of spectral scanning

Fig. 4. Transition pulsed arc and droplet transition along slag column
(a): 50/190 A; (b): 50/100 A

Fig. 5. Liquid bridge transition
(a): 50/190 A; (b): 50/100 A

Fig. 6. Spectrum about TIG arc additive manufacturing filled by fluxed-cored wire

Fig. 7. Distribution of arc temperature field under different pulse peak current
(a): 190 A; (b): 160 A; (c): 130 A; (d): 100 A

Fig. 8. Distribution of arc temperature field under pulse base current

Fig. 9. Characteristic elemental spectrum of flux-cored wire

Fig. 10. Distribution of active elements under different pulse peak current
(a): 190 A; (b): 160 A; (c): 130 A; (d): 100 A

Fig. 11. Distribution of active element under pulse base current
(a): 50 A (Pulse peak current is 190 A); (b): 50 A (Pulse peak current is 160 A);(c): 50 A (Pulse peak current is 130 A); (d): 50 A (Pulse peak current is 100 A)