Research Article
Effect of Surface Hardening on Dynamic Frictional Rolling Contact Behavior and Degradation of Corrugated Rail
Table 2
Comparison of results from different methods.
| | Approach | Contact patch | Maximum stress | | Semiaxis (mm) | Semiaxis (mm) | Area (mm2) | Vertical (MPa) | Shear (MPa) |
| | Hertz | 7.72 | 5.84 | 141.6 | 1090.5 | — | | CONTACT | 7.78 | 5.71 | 139.6 | 1158.4 | 294.1 | | FEA | 7.81 | 5.98 | 146.7 | 1160.3 | 296.4 | | Difference w.r.t. Hertz | −1.15% | −2.34% | −3.48% | −6.02% | — | | Difference w.r.t. CONTACT | −0.38% | −4.52% | −4.84% | −0.16% | −0.78% |
|
|
