Table 3.
Mechanical properties after Conform SPD processing and after Conform SPD + rotary swaging. Ultimate tensile strength (UTS); offset yield (OYS); reduction in area (RA); elongation (A5).
| Condition | 0.2 OYS [MPa] | UTS [MPa] | A5 [%] | RA [%] |
|---|---|---|---|---|
| As received | 370 ± 9.4 | 480 ± 7.7 | 25 ± 1.3 | 52 ± 1.9 |
| Conform SPD—1 pass | 540 ± 5.8 | 580 ± 6.1 | 23 ± 1.2 | 62 ± 2.3 |
| Conform SPD—2 passes | 560 ± 1.6 | 600 ± 5.6 | 23 ± 1.3 | 62 ± 2.2 |
| Conform SPD—3 passes | 570 ± 1.8 | 623 ± 4.8 | 23 ± 1.4 | 62 ± 2.1 |
| Conform SPD 1 pass + Rotary Swaging (80% area reduction) | 975 ± 2.3 | 1060 ± 4.6 | 12 ± 1.4 | 58 ± 2.3 |
| Rotary Swaging (80% area reduction) | 890 ± 2.1 | 964 ± 4.4 | 9 ± 1.3 | 34.2 ± 2.4 |