Table 3 Experiment design as per randomized experimental technique.
Exp. run | Welding current (A) | Type of interlayer | UTS (MPa) | Microhardness (HV) |
|---|---|---|---|---|
1 | 50 | 1 | 173 | 95 |
2 | 50 | 2 | 310 | 105 |
3 | 50 | 3 | 260 | 110 |
4 | 40 | 3 | 290 | 117 |
5 | 30 | 1 | 210 | 101 |
6 | 30 | 3 | 240 | 120 |
7 | 30 | 2 | 450 | 135 |
8 | 40 | 2 | 340 | 115 |
9 | 40 | 1 | 149 | 109 |