Weldability Investigation and Optimization of Process Variables for TIG-Welded Aluminium Alloy (AA 8006)

Table 3

Process parameters and their levels.

S. no.	Factors (welding parameters)	Unit	Level 1	Level 2	Level 3
1	Peak current	Amps	170	180	190
2	Base current	Amps	55	60	65
3	Welding speed	mm/min	140	150	160