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Mapping rail wear transitions

By R. Lewis and U. Olofsson

Abstract

This paper outlines work carried out to produce maps of\ud rail material wear coefficients taken from laboratory\ud tests run on twin disc and pin-on-disc machines as well\ud as those derived from measurements taken in the field.\ud Wear transitions are identified using the maps and\ud defined in terms of slip and contact pressure. Wear\ud regimes are related to expected wheel/rail contact\ud conditions and contact points (rail head/wheel tread and\ud rail gauge/wheel flange). Surface and sub-surface\ud morphologies are discussed and comparisons are made\ud between field and laboratory data

Publisher: CHARMEC
Year: 2003
OAI identifier: oai:eprints.whiterose.ac.uk:879

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