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A multi-layer model of low adhesion between railway wheel and rail
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Tribologi.ORCID iD: 0000-0003-2489-0688
2007 (English)In: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit, ISSN 0954-4097, E-ISSN 2041-3017, Vol. 221, no 3, 385-389 p.Article in journal (Refereed) Published
Abstract [en]

The current paper presents a new multi-layer model of low adhesion between railway wheel and rail. The model proposes that when leaves are crushed between railway wheels and rail, both a coated slippery layer and a chemically reacted, easily sheared surface layer are formed. Elemental depth profiling reveals that the chemically reacted, easily sheared surface layer contains substances such as P and Ca. Both the coated slippery layer and the chemically reacted, easily sheared surface layer must be removed to get proper adhesion between railway wheel and rail.

Place, publisher, year, edition, pages
2007. Vol. 221, no 3, 385-389 p.
Keyword [en]
adhesion, leaf, train, wheel, rail, surface layer
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-17002DOI: 10.1243/09544097jrrt111ISI: 000249877400007Scopus ID: 2-s2.0-38149079661OAI: oai:DiVA.org:kth-17002DiVA: diva2:335045
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Olofsson, Ulf

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