Lubricants 2016, 4(1), 2; doi:10.3390/lubricants4010002
Direct Laser Interference Patterning: Tailoring of Contact Area for Frictional and Antibacterial Properties
Department of Material Science and Engineering, Chair of Functional Materials, Saarland University, 66123 Saarbrücken, Germany
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Author to whom correspondence should be addressed.
Academic Editors: Ille C. Gebeshuber and George van Aken
Received: 25 September 2015 / Revised: 7 January 2016 / Accepted: 20 January 2016 / Published: 27 January 2016
(This article belongs to the Special Issue Friction and Lubricants Related to Human Bodies)
Abstract
Surface functionalization by topographic micro- and nano-structures in order to achieve unique properties, like super-hydrophobicity or ultrahigh light absorption, is a common strategy in nature. In this paper, direct laser interference patterning (DLIP) is presented as a promising tool allowing for the generation of such surface patterns on technical surfaces in order to mimic these biological surfaces and effects. Friction optimization and antibacterial effects by DLIP are exemplarily described. Topographic surface patterns on the micro- and nano-scale demonstrated a significant reduction in the coefficient of friction and bacterial adhesion. It was shown that in both cases, the control of the contact area between surfaces or between surface and bacteria is of utmost importance. View Full-TextKeywords:
laser interference patterning; micro-coining; antibacterial; dry friction; mixed lubrication; Penrose pattern
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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MDPI and ACS Style
Rosenkranz, A.; Hans, M.; Gachot, C.; Thome, A.; Bonk, S.; Mücklich, F. Direct Laser Interference Patterning: Tailoring of Contact Area for Frictional and Antibacterial Properties. Lubricants 2016, 4, 2.
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