Surface roughness and topography are two important parameters that influence the film thickness and friction of a lubricated contact. In many industrial applications, these parameters are imposed by the manufacturing process. This has been the case for the cylinder liner: the honing process creates a specific cross-hatched groove pattern on the cylinder liner surface. Laser surface texturing can produce surfaces with the same type of micro-geometry, but with an increased precision and control. Thus a better compromise between friction losses and oil consumption can be found. For this, it is necessary to understand the effects of the cross-hatched grooves on the film thickness and friction. This paper describes a transient model of a starved hydrodynamic linear contact based on the Reynolds equation. A deterministic description of the surface cross-hatched grooves is used. The results show that the introduction of a surface pattern always reduces the mean film thickness compared to a smooth surface. This reduction depends on parameters like cross-hatch angle and groove density. An appropriate cross-hatched angle can reduce the frictional losses.
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ASME/STLE 2007 International Joint Tribology Conference
October 22–24, 2007
San Diego, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4810-8
PROCEEDINGS PAPER
Influence of the Cross-Hatched Surface Texture on a Starved Hydrodynamic Linear Contact
M. Organisciak,
M. Organisciak
PSA Peugeot Citroe¨n, Ve´lizy Villacoublay, France
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G. Cavallaro,
G. Cavallaro
PSA Peugeot Citroe¨n, Ve´lizy Villacoublay, France
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A. A. Lubrecht
A. A. Lubrecht
INSA-Lyon, Villeurbanne, France
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M. Organisciak
PSA Peugeot Citroe¨n, Ve´lizy Villacoublay, France
G. Cavallaro
PSA Peugeot Citroe¨n, Ve´lizy Villacoublay, France
A. A. Lubrecht
INSA-Lyon, Villeurbanne, France
Paper No:
IJTC2007-44144, pp. 905-907; 3 pages
Published Online:
March 23, 2009
Citation
Organisciak, M, Cavallaro, G, & Lubrecht, AA. "Influence of the Cross-Hatched Surface Texture on a Starved Hydrodynamic Linear Contact." Proceedings of the ASME/STLE 2007 International Joint Tribology Conference. ASME/STLE 2007 International Joint Tribology Conference, Parts A and B. San Diego, California, USA. October 22–24, 2007. pp. 905-907. ASME. https://doi.org/10.1115/IJTC2007-44144
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