The Influence of Surface Texturing on the Frictional Behaviour in Starved Lubricated Parallel Sliding Contacts
1
Materials Innovation Institute (M2i), P.O. Box 5008, 2600 GA Delft, The Netherlands
2
Bosch Transmission Technology, Dr. Hub van Doorneweg 120, 5026 RA Tilburg, The Netherlands
3
Laboratory for Surface Technology and Tribology, Faculty of Engineering Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
*
Author to whom correspondence should be addressed.
Lubricants 2019, 7(8), 68; https://doi.org/10.3390/lubricants7080068
Received: 2 July 2019 / Revised: 7 August 2019 / Accepted: 8 August 2019 / Published: 9 August 2019
(This article belongs to the Special Issue Laser-Induced Periodic Surface Nano- and Microstructures for Tribological Applications)
Starvation occurs when the lubricated contact uses up the lubricant supply, and there is not enough lubricant in the contact to support the separation between solid surfaces. On the other hand, the use of textures on surfaces in lubricated contacts can result in a higher film thickness. In addition, a modification of the surface’s geometrical parameters can benefit the tribological behaviour of the contacts. In this article, for parallel sliding surfaces in starved lubricated conditions, the effect of surface texturing upon the coefficient of friction is investigated. It is shown that surface texturing may improve film formation under the conditions of starvation, and as a result, the frictional behaviour of the parallel sliding contact. Furthermore, the effect of starved lubrication on textured surfaces with different patterns in the presence of a cavitation effect, and its influence on frictional behaviour, is investigated. It is shown that surface texturing can reduce the coefficient of friction, and that under certain conditions, the texturing parameter could have an influence on the frictional behaviour of parallel sliding contacts in the starved lubrication regime.
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Keywords:
mixed lubrication; starvation; deterministic asperity model; surface texturing; film thickness; texturing patterns; numerical modelling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Bijani, D.; Deladi, E.L.; de Rooij, M.B.; Schipper, D.J. The Influence of Surface Texturing on the Frictional Behaviour in Starved Lubricated Parallel Sliding Contacts. Lubricants 2019, 7, 68. https://doi.org/10.3390/lubricants7080068
AMA Style
Bijani D, Deladi EL, de Rooij MB, Schipper DJ. The Influence of Surface Texturing on the Frictional Behaviour in Starved Lubricated Parallel Sliding Contacts. Lubricants. 2019; 7(8):68. https://doi.org/10.3390/lubricants7080068
Chicago/Turabian StyleBijani, Dariush; Deladi, Elena L.; de Rooij, Matthijn B.; Schipper, Dirk J. 2019. "The Influence of Surface Texturing on the Frictional Behaviour in Starved Lubricated Parallel Sliding Contacts" Lubricants 7, no. 8: 68. https://doi.org/10.3390/lubricants7080068
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