Research Article
Effect of Modified Pin Profile and Process Parameters on the Friction Stir Welding of Aluminum Alloy 6061-T6
Table 4
Models for the pins according to the tool profile, the material, and dimensions.
| | Models | Pin profile | Shoulder surface | Material | Pin length (mm) | Shoulder diameter (mm) |
| | M1 | SS | Flat | Steel 4140 | 9 | 19 | | M2 | TC | Flat | Steel 4140 | 9 | 19 | | M3 | SH | Flat | Steel 9840 | 9 | 25.4 | | M4 | SHBH | Flat | Steel H-13 | 9 | 25.4 |
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