Table 4 Configurations of the fabricated joints.
No. | Joint designation | Joint type | Expansion % | Tube length (mm) | Mock-up block dimensions (mm×mm×mm) | Testing method/s |
|---|---|---|---|---|---|---|
1 | E 4% (Long) | Roller expanded | 4 | 30 | 40 × 40 × 25 | Pull-out test |
2 | E 6% (Long) | Roller expanded | 6 | 30 | Pull-out test | |
3 | E 8% (Long) | Roller expanded | 8 | 30 | Pull-out test | |
4 | W + E 4% (Long) | Hybrid | 4 | 30 | Pull-out test | |
5 | W + E 6% (Long) | Hybrid | 6 | 30 | Pull-out test | |
6 | W + E 8% (Long) | Hybrid | 8 | 30 | Pull-out test | |
7 | E 4% (Short) | Roller expanded | 4 | 5 | Macro and micro analysis | |
8 | E 6% (Short) | Roller expanded | 6 | 5 | Macro and micro analysis | |
9 | E 8% (Short) | Roller expanded | 8 | 5 | Macro and micro analysis | |
10 | W + E 4% (Short) | Hybrid | 4 | 5 | Macro and micro analysis | |
11 | W + E 6% (Short) | Hybrid | 6 | 5 | Macro and micro analysis | |
12 | W + E 8% (Short) | Hybrid | 8 | 5 | Macro and micro analysis | |
13 | W (Long) | TIG welded | – | 30 | Pull-out test | |
14 | W (Long) | TIG welded | – | 30 | Pull-out test | |
15 | W (Short) | TIG welded | – | 5 | Macro and micro analysis |
