Research Article
Mechanical and Formability Evaluation of ST14 Alloys Welded by Friction Stir Welding
Table 4
Five sets of samples selected.
| Test number | Classification of tests | The speed of the era | Linear motion speed (mm/min) | Pin diameter (mm) | Shoulder diameter (mm) | Ultimate strength (MPa) |
| 1 | A | 500 | 31.5 | 3.9 | 14.2 | 132 | 6 | B | 600 | 50 | 3.9 | 14.2 | 190 | 10 | C | 800 | 50 | 3.9 | 14.2 | 298 | 14 | D | 1000 | 100 | 3.9 | 14.2 | 294 | 18 | E | 1200 | 100 | 3.9 | 14.2 | 265 |
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