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Results of mechanical properties determined from mini-tensile tests for 42C according to the experimental cooling rates (YS: yield strength, UTS: ultimate tensile strength, El: total elongation at fracture, n: work-hardening exponent).
| Material | Cooling Rate (°C/s) | YS (MPa) |
UTS (MPa) |
El (%) |
n (-) |
|---|---|---|---|---|---|
| 42C | 0.1 | 457 ± 5 | 816 ± 7 | 22 ± 1 | 0.17 |
| 1 | 803 ± 5 | 1365 ± 7 | 7 ± 1 | 0.10 | |
| 5 | 1257 ± 27 | 1647 ± 162 | 0.7 ± 0.3 | - | |
| 10 | brittle behaviour | - | |||
| 50 | - | ||||
