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The effects of surface defects on the fatigue of water and oil lubricated contacts

Record type: Article

A study into effects of surface defects on the rolling contact fatigue of brass and rail steel has been undertaken on a twin-disc rolling-sliding test machine with both oil and water lubrication. Furrows and dents were artificially introduced into the disc surfaces, and surface microcracks and pits were monitored by means of surface replication. The results showed that artificial dents only reduce the fatigue life of the contact with oil, but not water lubrication. With oil lubrication the fatigue failure initiates at the surface defect. However, with water as a lubricant the whole of the surface undergoes cracking with the defect having no preferential effect. The possible mechanisms behind this behaviour are discussed in this paper

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Citation

Gao, N. and Dwyer-Joyce, R. S. (2000) The effects of surface defects on the fatigue of water and oil lubricated contacts Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology, 214, (6), pp. 611-626. (doi:10.1243/1350650001543458).

More information

Published date: 2000
Keywords: surface defect, fatigue, lubricated contact

Identifiers

Local EPrints ID: 22172
URI: http://eprints.soton.ac.uk/id/eprint/22172
ISSN: 1350-6501
PURE UUID: f0f6b83c-4bf4-425f-bd23-9032f309785e

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Date deposited: 07 Feb 2007
Last modified: 17 Jul 2017 16:23

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Contributors

Author: N. Gao
Author: R. S. Dwyer-Joyce

University divisions


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