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Lubricants 2018, 6(1), 18; https://doi.org/10.3390/lubricants6010018

Facilitating the Study of the Texturing Effect on Hydrodynamic Lubrication

1
School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, China
2
Department of Mechanical and Biomedical Engineering, City University of Hong Kong, Hong Kong, China
3
Institute for Engineering Design and Logistics Engineering, Vienna University of Technology, 1060 Vienna, Austria
*
Author to whom correspondence should be addressed.
Received: 13 December 2017 / Revised: 17 January 2018 / Accepted: 29 January 2018 / Published: 11 February 2018
(This article belongs to the Special Issue Improvement of Friction and Wear by Laser Surface Texturing)
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Abstract

To facilitate fundamental study of the surface texturing effect on hydrodynamic lubrication, analytical and experimental tools are required. While there is an extensive amount of theoretical and analytical analyses in the literature, relevant experimental studies are much rarer. A detailed study requires techniques by which one can (a) produce micron-sized textures on a millimeter-scale area on a specimen surface and (b) accurately measure the lubricating film thickness and load-carrying capacity of a bearing. The paper introduces the use of an efficient laser technique (direct laser interference patterning) and a custom-designed fixed-incline slider tester to address these points. A steel slider was textured with the laser technique to produce a surface pattern in the inlet region of the bearing contact. The characterization of the load-carrying capacity for different convergence ratios K is presented. View Full-Text
Keywords: textured surfaces; laser interference; hydrodynamic lubrication textured surfaces; laser interference; hydrodynamic lubrication
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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. (CC BY 4.0).
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Guo, L.; Wong, P.; Gachot, C. Facilitating the Study of the Texturing Effect on Hydrodynamic Lubrication. Lubricants 2018, 6, 18.

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