Sample | Wear Factor [g/m] | Friction coefficient | Surface Hardness [kg/mm2] |
Plasma Nitriding | 1.86 × 10−7 | 0.234 | 948 ± 12 |
Solid Nitriding | 0.94 × 10−7 | 0.237 | 875 ± 8 |
No treated | 2.095 × 10−6 | 0.354 | 225 ± 5 |