Research Article
Mechanical Properties Optimization of Friction Stir Welded Lap Joints in Aluminium Alloy
Table 8
Elongation experimental responses.
| | rpm | s/mm | El1 | El2 | El3 | Std. El | Dim | Avg. El |
| | 1377.5 | 0.267 | 31.5 | 30.5 | 32.0 | 0.764 | 3 | 31.333 | | 2222.5 | 0.267 | 9.0 | 9.0 | 15.0 | 3.464 | 3 | 11.000 | | 1377.5 | 0.533 | 23.0 | 30.5 | 27.5 | 3.775 | 3 | 27.000 | | 2222.5 | 0.533 | 11.5 | 4.5 | 9.0 | 3.547 | 3 | 8.333 | | 1800.0 | 0.400 | 33.6 | 25.0 | 32.0 | 4.574 | 3 | 30.200 | | 1800.0 | 0.400 | 26.0 | 28.0 | 31.0 | 2.517 | 3 | 28.333 |
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