Research Article
Assessment of Rotational Speed and Plunge Rate on Lap Shear Strength of FSSW Joints of AA7075/Mild Steel
Table 3
Design matrix and its response.
| | | N (rpm) | R (mm/min) | T (sec) | D | |
| | Speed of tool rotation (N) | 800 | 4 | 5 | 3 | 6.12 | | 850 | 4 | 5 | 3 | 7.45 | | 900 | 4 | 5 | 3 | 9.46 | | 950 | 4 | 5 | 3 | 8.56 | | 1000 | 4 | 5 | 3 | 7.21 |
| | Rate of plunge (R) | 900 | 2 | 5 | 3 | 8.31 | | 900 | 3 | 5 | 3 | 8.42 | | 900 | 4 | 5 | 3 | 8.89 | | 900 | 5 | 5 | 3 | 7.28 | | 900 | 6 | 5 | 3 | 6.81 |
|
|
