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Article

High-Rate Laser Surface Texturing for Advanced Tribological Functionality

1
Laserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, Germany
2
Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Winterbergstrasse 28, 01277 Dresden, Germany
3
Institute of Design Engineering and Drive Technology IKAT, Chemnitz University of Technology, Reichenhainer Straße 70, 09126 Chemnitz, Germany
*
Author to whom correspondence should be addressed.
Received: 27 February 2020 / Revised: 13 March 2020 / Accepted: 15 March 2020 / Published: 20 March 2020
This article features with the enhancement of the static coefficient of friction by laser texturing the contact surfaces of tribological systems tested under dry friction conditions. The high-rate laser technology was applied for surface texturing at unprecedented processing rates, namely using powerful ultrashort pulses lasers in combination with ultrafast polygon-mirror based scan systems. The laser textured surfaces were analyzed by ion beam slope cutting and Raman measurements, showing a crystallographic disordering of the produced microscopic surface features. The laser induced self-organizing periodic surface structures as well as deterministic surface textures were tested regarding their tribological behavior. The highest static coefficient of friction was found of µ20 = 0.68 for a laser textured cross pattern that is 126% higher than for a fine grinded reference contact system. The line pattern was textured on a shaft-hub connection where the static coefficient of friction increased up to 75% that demonstrates the high potential of the technology for real-world applications. View Full-Text
Keywords: high-rate; laser texturing; high-power; laser; LIPSS; tribology; coefficient of friction high-rate; laser texturing; high-power; laser; LIPSS; tribology; coefficient of friction
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MDPI and ACS Style

Schille, J.; Schneider, L.; Mauersberger, S.; Szokup, S.; Höhn, S.; Pötschke, J.; Reiß, F.; Leidich, E.; Löschner, U. High-Rate Laser Surface Texturing for Advanced Tribological Functionality. Lubricants 2020, 8, 33. https://0-doi-org.brum.beds.ac.uk/10.3390/lubricants8030033

AMA Style

Schille J, Schneider L, Mauersberger S, Szokup S, Höhn S, Pötschke J, Reiß F, Leidich E, Löschner U. High-Rate Laser Surface Texturing for Advanced Tribological Functionality. Lubricants. 2020; 8(3):33. https://0-doi-org.brum.beds.ac.uk/10.3390/lubricants8030033

Chicago/Turabian Style

Schille, Jörg, Lutz Schneider, Stefan Mauersberger, Sylvia Szokup, Sören Höhn, Johannes Pötschke, Friedemann Reiß, Erhard Leidich, and Udo Löschner. 2020. "High-Rate Laser Surface Texturing for Advanced Tribological Functionality" Lubricants 8, no. 3: 33. https://0-doi-org.brum.beds.ac.uk/10.3390/lubricants8030033

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