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Open AccessArticle

Effect of Low Depth Surface Texturing on Friction Reduction in Lubricated Sliding Contact

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Department of Mechanical Engineering, Technion, Haifa 32000, Israel
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Department of Mechanical Engineering, Azrieli College of Engineering, Jerusalem 9103501, Israel
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Department of Materials Science and Engineering, Functional Materials, Saarland University, Saarbrücken 66123, Germany
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Institute for Engineering Design and Logistics Engineering E307-3, Vienna University of Technology, Vienna 1060, Austria
*
Author to whom correspondence should be addressed.
Lubricants 2018, 6(3), 62; https://doi.org/10.3390/lubricants6030062
Received: 30 April 2018 / Revised: 9 July 2018 / Accepted: 11 July 2018 / Published: 17 July 2018
(This article belongs to the Special Issue Improvement of Friction and Wear by Laser Surface Texturing)
Laser surface texturing is an interesting possibility to tailor materials’ surfaces and thus to improve the friction and wear properties if proper texture feature sizes are selected. In this research work, stainless steel surfaces were laser textured by two different laser techniques, i.e., the direct laser interference patterning by using a nanosecond pulsed Nd:YAG laser and additionally by an ultrashort pulsed femtosecond Ti:Sa. The as-textured surfaces were then studied regarding their frictional response in a specially designed linear reciprocating test rig under lubricated conditions with a fully formulated 15W40 oil. Results show that dimples with smaller diameter lead to a significant reduction in the coefficient of friction compared to the dimples with a larger diameter and surfaces with a grid-like surface pattern produced by direct laser interference patterning. View Full-Text
Keywords: surface texturing; low depth; lubricated sliding contact; friction reduction surface texturing; low depth; lubricated sliding contact; friction reduction
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MDPI and ACS Style

Kasem, H.; Stav, O.; Grützmacher, P.; Gachot, C. Effect of Low Depth Surface Texturing on Friction Reduction in Lubricated Sliding Contact. Lubricants 2018, 6, 62.

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