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Application of an inclined, spinning ball-on-rotating disc apparatus to simulate railway wheel and rail contact problems
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Theory of Lubrication and Bearing Institute, Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, Xi'an Jiaotong University.
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Number of Authors: 5
2017 (English)In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 374-375, 46-53 p.Article in journal (Refereed) Published
Abstract [en]

Railway wheel-rail contacts involve various combinations of slip, rolling, and creepage. Traditionally, a twin-disc apparatus is used to simulate such problems. However, there are out of plane forces and motions involved in the actual situation. Therefore, the possibility of using a commercially-made, inclined-axis spinning ball-on-disc test rig was investigated to better simulate wheel and rail contact problems. By setting two angle parameters both the lateral and spin creepage can easily be applied to the contact. Traction measurements were conducted, and good agreement was found by comparing the present results with other available experimental data. The effects of the spin creepage on wear were studied in particular. An asymmetrical wear pattern was obtained from cases that applied a low longitudinal creepage and a spin creepage, corresponding to a rail running on a curved track. To the best of the authors' knowledge, this work is the first of its kind to be done using a laboratory-scale tribometer.

Place, publisher, year, edition, pages
2017. Vol. 374-375, 46-53 p.
National Category
Tribology
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-61325DOI: 10.1016/j.wear.2016.12.034ISI: 000395954700007Scopus ID: 2-s2.0-85008500847OAI: oai:DiVA.org:ltu-61325DiVA: diva2:1062921
Note

Validerad; 2017; Nivå 2; 2017-01-09 (andbra)

Available from: 2017-01-09 Created: 2017-01-09 Last updated: 2017-04-18Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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