Open Access
Table 3
Input parameters and levels.
| Variables | Unit | Levels | ||
|---|---|---|---|---|
|
|
||||
| 1 | 2 | 3 | ||
| Current (I) | Amp | 60 | 80 | 100 |
| Welding speed (S) | cm/min | 10 | 15 | 20 |
| Frequency (f) | Hz | 0 | 150 | 300 |
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