Research Article
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 |
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