Table 2.
Impact property at room temperature of EK61 superalloy after long-term aging.
| Aging time (h) | Aged at 700°C | Aged at 750°C | ||
|---|---|---|---|---|
| Akv (J) | Error | Akv (J) | Error | |
| 30 | 49.0 | ±7.08 | 47.0 | ±7.37 |
| 100 | 37.0 | ±3.06 | 37.5 | ±9.09 |
| 200 | 38.5 | ±2.75 | 32.0 | ±10.04 |
| 500 | 27.5 | ±1.89 | 30.0 | ±8.01 |
| 1000 | 16.5 | ±3.21 | 26.0 | ±2.25 |