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

Table 6

The Rockwell hardness values of TIG-welded AA8006 plates.

S. no.	Peak current (Amps)	Base current (Amps)	Welding speed (mm/min)	Rockwell hardness (HRB)
1	170	55	140	26
2	170	60	150	28
3	170	65	160	36
4	180	55	140	16
5	180	60	150	23
6	180	65	160	41
7	190	55	140	12
8	190	60	150	24
9	190	65	160	30