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M.J.M.M. Steenbergen, "Rolling Contact Fatigue: The Role of Maintenance Grinding", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 177, 2016. doi:10.4203/ccp.110.177

Keywords: rail grinding, white etching layer, rolling contact fatigue, friction-induced martensite, squat, rail spalling.

Summary

For rails performing in the rolling contact fatigue (RCF) regime, cyclic maintenance is normally done by grinding with specially equipped trains. The aim is to remove the work-hardened surface layer with crack initiations. At the same time however, the RCF lifecycle is crucially determined by the surface conditions, in terms of aspects such as differential micro-hardness, residual stresses and roughness. This paper presents an experimental investigation into the surface conditions induced by maintenance grinding, both for standard carbon and heat-treated pearlitic grades and elaborates on the consequences for the RCF lifecycle of the rail.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 110 PROCEEDINGS OF THE THIRD INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 177 Rolling Contact Fatigue: The Role of Maintenance Grinding M.J.M.M. Steenbergen Railway Engineering Group, Delft University of Technology, The Netherlands doi:10.4203/ccp.110.177 purchase the full-text of this paper Full Bibliographic Reference for this paper M.J.M.M. Steenbergen, "Rolling Contact Fatigue: The Role of Maintenance Grinding", in J. Pombo, (Editor), "Proceedings of the Third International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 177, 2016. doi:10.4203/ccp.110.177 Keywords: rail grinding, white etching layer, rolling contact fatigue, friction-induced martensite, squat, rail spalling. Summary For rails performing in the rolling contact fatigue (RCF) regime, cyclic maintenance is normally done by grinding with specially equipped trains. The aim is to remove the work-hardened surface layer with crack initiations. At the same time however, the RCF lifecycle is crucially determined by the surface conditions, in terms of aspects such as differential micro-hardness, residual stresses and roughness. This paper presents an experimental investigation into the surface conditions induced by maintenance grinding, both for standard carbon and heat-treated pearlitic grades and elaborates on the consequences for the RCF lifecycle of the rail. purchase the full-text of this paper (price £22) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £85 +P&P)
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