High-Rate Laser Surface Texturing for Advanced Tribological Functionality

Jörg Schille; Lutz Schneider; Stefan Mauersberger; Sylvia Szokup; Sören Höhn; Johannes Pötschke; Friedemann Reiß; Erhard Leidich; Udo Löschner

doi:10.3390/lubricants8030033

Lubricants (Mar 2020)

High-Rate Laser Surface Texturing for Advanced Tribological Functionality

Jörg Schille,
Lutz Schneider,
Stefan Mauersberger,
Sylvia Szokup,
Sören Höhn,
Johannes Pötschke,
Friedemann Reiß,
Erhard Leidich,
Udo Löschner

Affiliations

Jörg Schille: Laserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, Germany
Lutz Schneider: Laserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, Germany
Stefan Mauersberger: Laserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, Germany
Sylvia Szokup: Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Winterbergstrasse 28, 01277 Dresden, Germany
Sören Höhn: Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Winterbergstrasse 28, 01277 Dresden, Germany
Johannes Pötschke: Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Winterbergstrasse 28, 01277 Dresden, Germany
Friedemann Reiß: Institute of Design Engineering and Drive Technology IKAT, Chemnitz University of Technology, Reichenhainer Straße 70, 09126 Chemnitz, Germany
Erhard Leidich: Institute of Design Engineering and Drive Technology IKAT, Chemnitz University of Technology, Reichenhainer Straße 70, 09126 Chemnitz, Germany
Udo Löschner: Laserinstitut Hochschule Mittweida, University of Applied Sciences Mittweida, Technikumplatz 17, 09648 Mittweida, Germany

DOI: https://doi.org/10.3390/lubricants8030033
Journal volume & issue: Vol. 8, no. 3
p. 33

Abstract

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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.

Published in Lubricants

ISSN: 2075-4442 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science
Website: http://www.mdpi.com/journal/lubricants

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