Wear and Surface Residual Stress Evolution on Twin-Disc Tests of Rail/Wheel Steels

António Castanhola Batista; Daniel F.C.  Peixoto; Joao P. Nobre; Luís Coelho; Diogo Mesquita Ramos; Luis A.A. Ferreira; Paulo M.S.T. de Castro

doi:10.4028/www.scientific.net/MSF.768-769.707

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HomeMaterials Science ForumMaterials Science Forum Vols. 768-769Wear and Surface Residual Stress Evolution on...

Wear and Surface Residual Stress Evolution on Twin-Disc Tests of Rail/Wheel Steels

Abstract:

Twin disc tribological tests were performed in wheel and rail materials, with specimens taken from a Spanish AVE train wheel and a UIC60 rail, in a program intended to characterize their contact fatigue behavior. The X-ray diffraction technique was used to characterize the residual stress distribution at the initial and damaged stages, as well as in intermediate stages, since existing residual stresses in the surface layers of the railways steels and its evolution during contact loading can have a major influence on crack initiation and propagation.

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Periodical:

Materials Science Forum (Volumes 768-769)

Pages:

707-713

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.768-769.707

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Online since:

September 2013

Authors:

António Castanhola Batista, Daniel F.C. Peixoto, Joao P. Nobre, Luís Coelho, Diogo Mesquita Ramos, Luis A.A. Ferreira, Paulo M.S.T. de Castro

Keywords:

Railway, Residual Stress, Rolling Contact Fatigue (RCF), Steel, Twin Disc Machine, X-Ray Diffraction (XRD)

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References

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