Table 2.
Friction stir spot welding (FSSW) process parameters.
| Tool Rotational Speed (rpm) | Dwell Time (s) | Plunging Depth (mm) |
|---|---|---|
| 800 | 6 | 2.2 |
| 1000 | 8 | 2.4 |
| 1200 | 10 | 2.6 |
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