This study employs an elastic-plastic finite element model to investigate the effect of oblique rail surface crack on the wheel-rail contact stress distribution under partial slip rolling conditions. Numerical simulations are performed to explore the effects of the contact distance and tractive force on the contact pressure and tangential stress distributions, tip plastic energy, and critical wheel applied load. Contact elements are used to simulate the interaction between the surfaces of the wheel rail and the crack. The numerical results indicate that the contact stress distributions are influenced significantly by the presence of oblique cracks in the rail. The results also indicate that a higher friction force is induced on the crack surfaces when a greater tractive force is applied to the wheel. This increased crack surface friction force reduces the sliding between the crack surfaces and hence causes a reduction in the tip plastic energy.
Issue Section:
Research Papers
1.
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, D. F.
, and Pradier
, H.
, 1996, “Rail Rolling Contact Fatigue Research by the European Rail Research Institute
,” Wear
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, pp. 1
–13
.2.
Rinsberg
, J. W.
, Loo-Morrey
, M.
, Kapoor
, A.
, and Beynon
, J. H.
, 2002, “Prediction of Fatigue Crack Initiation for Rolling Contact Fatigue
,” Int. J. Fatigue
0142-1123, 22
, pp. 205
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.3.
Ringsberg
, J. W.
, 2001, “Life Prediction of Rolling Contact Fatigue Crack Initiation
,” Int. J. Fatigue
0142-1123, 23
, pp. 575
–586
.4.
Kabo
, E.
, 2002, “Material Defects in Rolling Contact Fatigue-Influence of Overloads and Defect Clusters
,” Int. J. Fatigue
0142-1123, 24
, pp. 887
–894
.5.
Yan
, W.
, and Fischer
, F. D.
, 2000, “Applicability of the Hertz Contact Theory to Rail-Wheel Contact Problems
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, pp. 255
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.6.
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, M.
, and Marek
, P.
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,” Int. J. Mech. Sci.
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, pp. 15
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.7.
Yu
, C. C.
, and Keer
, L. M.
, 1997, “Three-Dimensional Residual Stress Effects on the Fatigue Crack Initiation in Rails
,” ASME J. Tribol.
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, pp. 660
–666
.8.
Telliskivi
, T.
, and Olofsson
, U.
, 2001, “Contact Mechanics Analysis of Measured Wheel-Rail Profiles Using the Finite Element Method
,” Proc. Inst. Mech. Eng., F J. Rail Rapid Transit
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, pp. 65
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.9.
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, Kumar
, R. K.
, and Sriraman
, R.
, 1999, “Thermo-Mechanical Finite Element Analysis of a Rail Wheel
,” Int. J. Mech. Sci.
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, pp. 487
–505
.10.
Farris
, T. N.
, 1996, “Effects of Overlapping Wheel Passages on Residual Stress in Rail Corners
,” Wear
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, pp. 226
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, S. M.
, Hahn
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, Rubin
, C. A.
, and Bhargava
, V.
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,” ASME J. Appl. Mech.
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, pp. 434
–441
.12.
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, S. M.
, Hahn
, G. T.
, Rubin
, C. A.
, and Bhargava
, V.
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,” ASME J. Appl. Mech.
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.13.
Chen
, Y. C.
, 2003, “The Effect of Proximity of a Free Edge in Elastic-Plastic Contact between a Wheel and a Rail
,” Proc. Inst. Mech. Eng., F J. Rail Rapid Transit
0954-4097, 217
, pp. 189
–201
.14.
Bogdan’ski
, S.
, Olzak
, M.
, and Stupnicki
, J.
, 1996, “Numerical Stress Analysis of Rail Rolling Contact Fatigue Cracks
,” Wear
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, pp. 14
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Jiang
, Y.
, and Sehitoglu
, H.
, 1996, “Rolling Contact Stress Analysis With the Application of a New Plasticity Model
,” Wear
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, pp. 35
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Kim
, J. K.
, and Kim
, C. S.
, 2002, “Fatigue Crack Growth Behavior of Rail Steel Under Mode I and Mixed Mode Loadings
,” Mater. Sci. Eng., A
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, pp. 191
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.17.
Bogdan’ski
, S.
, and Browen
, M.
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,” Wear
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, pp. 17
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, A. F.
, 1998, “The Influence of Crack Face Friction and Trapped Fluid on Surface Initiated Rolling Contact Fatigue Cracks
,” ASME J. Tribol.
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, pp. 704
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, and Cho
, S. S.
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, pp. 57
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, S. Y.
, Farris
, T. N.
, and Chandrasekar
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,” ASME J. Tribol.
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, Y.
, Xu
, B.
, and Sehitoglu
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.27.
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, T.
, and Keer
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, and Chen
, Y. C.
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, pp. 61
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, and Chen
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,” Int. J. Fract.
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, pp. 393
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, H.
, Schmedders
, H.
, Wick
, K.
, and Pradier
, H.
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by American Society of Mechanical Engineers
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