Mixed mode II and III fatigue crack growth in a rail steel
Source abstract
Abstract
Rolling contact fatigue cracks in rails undergo non-proportional mixed-mode I+II+III, in variable proportions along their front. In order to determine the crack growth thresholds and kinetics in mixed-mode II/III, asymmetric four point bending tests are run on a rail steel with different angles between the crack front and the shearing load, so as to vary the mode mixity ratio. For sufficiently high loading ranges, these tests give rise to coplanar shear-mode crack growth. The effective stress intensity factors (SIFs) are derived by an inverse method from the measured crack face relative displacements. It appears to be 10–70% lower than the nominal SIFs and to allow a reasonable correlation of the measured crack growth rates. The local application, ahead of the crack front, of shear-driven or tension-driven fatigue damage models – after 3D elastic-plastic computations of local stress and strain ranges – allows a successful prediction of crack fronts paths and growth rates.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Fatigue and fracture mechanics · Railway Engineering and Dynamics · Structural Load-Bearing Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (43)
Show source-provided references
1. A branch criterion for shallow angled rolling contact fatigue cracks in rails10.1016/0043-1648(95)06621-7 ↗
2. Numerical modelling of a 3d rail rcf ‘squat’-type crack under operating load
3. Numerical simulation of rolling contact fatigue crack growth in rails with the rail bending and the frictional contact10.1016/j.engfracmech.2016.12.019 ↗
4. Interaction between cracks and microstructure in three dimensions for rolling contact fatigue in railway rails
5. Experimental characterization of the tridimensional gradient of microstructure induced by RCF in the rolling band of rails10.1016/j.proeng.2015.12.659 ↗
6. On the crack extension in plates under plane loading and transverse shear10.1115/1.3656897 ↗
7. Mode ii fatigue crack growth in aluminium alloys
8. Toward an understanding of mode II fatigue crack growth10.1520/STP23220S ↗
9. A new method for the measurement of mode II fatigue threshold stress intensity factor range
10. Preferred fatigue crack propagation mode in a M250 maraging steel loaded in shear
11. A material and environment-dependent criterion for the prediction of fatigue crack paths in metallic structures10.1016/j.engfracmech.2007.07.004 ↗
12. Influence of the friction of crack faces on the cyclic crack-growth resistance of 65G steel under mode II loading10.1007/s11003-015-9772-5 ↗
13. Investigation of the kinetics of fatigue macrocracks under transverse shear10.1007/s11003-016-9963-8 ↗
14. Mode III fatigue crack propagation in low alloy steel10.1007/BF02642420 ↗
15. Mode III and Mode I fatigue crack propagation behaviour under torsional loading10.1007/BF00542053 ↗
16. Micro-mechanical modelling of mode III fatigue crack growth in rotor steels10.1007/BF00028821 ↗
17. Fatigue at notches subjected to reversed torsion and static axial loads
18. Fracture surface interference in shear-II. Experimental measurements of crack-tip displacement field under Mode-II loading in 7075-T6 A110.1016/0956-7151(94)00325-C ↗
19. Brown M, Miller K, Fernando V, Yates J. Aspects of multiaxial fatigue crack propagation. In: 4th International conference biaxial/multiaxial fatigue, Paris; 1994. p. 3–16.
20. Straightforward comparison of fatigue crack growth under modes II and III10.1016/j.ijfatigue.2007.09.009 ↗
21. Near-threshold propagation of mode II and mode III fatigue cracks in ferrite and austenite10.1016/j.actamat.2013.04.033 ↗
22. Near-threshold behaviour of shear-mode fatigue cracks in metallic materials
23. Analysis of fatigue crack propagation under mixed mode II + III in ARMCO iron10.1016/j.ijfatigue.2014.09.018 ↗
24. Progress in understanding of intrinsic resistance to shear-mode fatigue crack growth in metallic materials10.1016/j.ijfatigue.2016.01.009 ↗
25. Vojtek T, Pokluda J, Hohenwarter A, Pippan R. Intrinsic behaviour of modes II, III and mixed mode II+III fatigue cracks in metallic materials. In: ICMFF 11, Seville; 2016.10.4028/www.scientific.net/SSP.258.265 ↗
26. Analysis of fatigue crack propagation under mixed mode II + III in ARMCO iron10.1016/j.ijfatigue.2014.09.018 ↗
27. Experimental evidence of a common local mode II growth mechanism of fatigue cracks loaded in modes II, III and II+III in niobium and titanium10.1016/j.ijfatigue.2016.02.042 ↗
28. Load path effect on fatigue crack propagation in I + II + III mixed mode conditions – Part 1: experimental investigations10.1016/j.ijfatigue.2013.06.002 ↗
29. A practical mixed Mode II/III fatigue test rig10.1016/0142-1123(87)90050-8 ↗
30. A finite element and fatigue threshold study of shelling in heavy haul rails10.1016/0043-1648(91)90021-L ↗
31. On the mode II fatigue threshold for mild steel10.1007/s10704-010-9540-3 ↗
32. On the mixed Mode II/III fatigue threshold behaviour for aluminium alloys 2014-T6 and 7075-T6
33. 3D shear-mode fatigue crack growth in maraging steel and Ti-6Al-4V10.1007/s10704-010-9504-7 ↗
34. Some remarks on elastic fracture mechanics
35. Surface singularity and crack propagation10.1016/0020-7683(79)90062-3 ↗
36. Lemaitre · 1994
37. Influence of the loading path on fatigue crack growth under mixed-mode loading10.1007/s10704-009-9396-6 ↗
38. A crack in a linear-elastic material under mode ii loading, revisited
39. Branch crack development from the flank of a fatigue crack propagating in mode II
40. Mode I stress intensity factors induced by fracture surface roughness under pure mode III loading: application to the effect of loading modes on stress corrosion crack growth10.1007/BF02650285 ↗
41. Load path effect on fatigue crack propagation in I + II + III mixed mode conditions – Part 2: finite element analyses10.1016/j.ijfatigue.2013.06.007 ↗
42. Local approach to fatigue cracks bifurcation10.1016/j.ijfatigue.2007.06.001 ↗
43. A stress-strain function for the fatigue of metals