Open Access
Table 5
Vickers hardness values of AA6061-6 wt.% SiC friction stir welded composites.
| Sl. No | Tool profile | Tool rotation speed (rpm) | Axial force (kN) | HV of Weld Zone |
|---|---|---|---|---|
| 1. | Cylindrical | 600 | 4 | 85.47 |
| 2. | Cylindrical | 750 | 5 | 87.39 |
| 3. | Cylindrical | 900 | 6 | 96.43 |
| 4. | Square | 600 | 5 | 78.15 |
| 5. | Square | 750 | 6 | 84.11 |
| 6. | Square | 900 | 4 | 82.873 |
| 7. | Tapered cylindrical | 600 | 6 | 87.41 |
| 8. | Tapered cylindrical | 750 | 4 | 88.87 |
| 9. | Tapered cylindrical | 900 | 5 | 86.99 |
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