Effect of Microstructural Attributes On Wheel and Rail Studying the Wear and Damage

Ashwini Kumar¹

Section:Research Paper, Product Type: Journal-Paper
Vol.8 , Issue.2 , pp.50-52, Jun-2021

Online published on Jun 30, 2021

Copyright © Ashwini Kumar . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
The assistance life of rails would be strikingly diminished owing to the increment of hub load, which can incite the occurrence of damages like breaks, collapse, fat edges, and so on Laser cladding, which can upgrade the mechanical properties of the rail by making a coating, has gotten extraordinary attention in the space of the rails because of the appealing benefits like low input heat, little heat-impacted zone, and little deformation. An increment in the hardness of the wheel material outcomes in the damage system of the wheel roller changing from little pitting and adhesion wear to delamination wear. Then, at that point, the rail roller shows serious shelling damage. Basically, the matching of the hardness of wheel and rail materials shows huge potential for reducing wear and surface damage. An increment in the contact stress brings about the wear of wheel and rail rollers becoming more extreme. The current study highlights the effect of micro structural attributes on wheel and rail studying the wear and damage.

Key-Words / Index Term :
Rail/wheel tribology, rolling-sliding tests, hardness, contact mechanics, surface topography

References :
[1] Wang WJ, Zhong W, Guo J, et al. Investigation on rolling contact fatigue and wear properties of railway rail. Proc IMechE, Part J: J Engng Tribol 2019; 223(7): 1033–1039.
[2] Baek K-S, Kyogoku K and Nakahara T. An experimental investigation of transient traction characteristics in rolling-sliding wheel/rail contacts under dry-wet conditions. Wear 2017; 263: 169–179.
[3] Garnham JE and Davis CL. Very early stage rolling contact fatigue crack growth in pearlitic rail steels. Wear 2018; 271: 100–102.
[4] Li Z, Dollevoet R, Molodova M, et al. Squat growth: some observations and the validation of numerical predictions. Wear 2018; 271: 148–157.
[5] Dollevoet R, Li Z and Arias-Cuevas O. A method for the prediction of head checking initiation location and orientation under operational loading conditions. Proc IMechE, Part F: J Rail Rapid Transit 2019; 224(5): 369–374.
[6] Donzella G, Mazzu A and Petrogalli C. Competition between wear and rolling contact fatigue at the wheelrail interface: some experimental evidence on rail steel. Proc IMechE, Part F: J Rail Rapid Transit 2019; 223: 31–44.
[7] Wang WJ, Guo J, Liu QY, et al. Study on relationship between oblique fatigue crack and rail wear in curve track and prevention. Wear 2019; 267: 540–544.
[8] Ludgar D and Proksch M. Friction and wear testing of rail and wheel material. Wear 2015; 258: 981–991.
[9] Donzelle G, Faccoli M, Mazzu A, et al. Progressive damage assessment in the near-surface layer of railway wheel-rail couple under cyclic contact. Wear 2018; 271: 408–416.
[10] Yukio Satoh Y and Iwafuchi K. Effect of rail grinding on rolling contact fatigue in railway rail used in conventional line in Japan. Wear 2018; 265: 1342–1348.