| Specimens | Maximum load (kN) | Stress ratio, R | Fatigue life, Nf (cycles) |
| Parent-1 | 60 | 0.1 | 139000 |
| Parent-2 | 60 | 0.1 | 224000 |
| Parent-3 | 60 | 0.1 | 214000 |
| Coated-1 | 60 | 0.1 | 184000 |
| Coated-2 | 60 | 0.1 | 182000 |
| Coated-3 | 60 | 0.1 | 177000 |