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Possibilities of Dry and Lubricated Friction Modification Enabled by Different Ultrashort Laser-Based Surface Structuring Methods

  • In this contribution we report on the possibilities of dry and lubricated friction modification introduced by different laser surface texturing methods. We compare the potential of Laser-Induced Periodic Surface Structures and Laser Beam Interference Ablation on 100Cr6 steel in a linear reciprocating ball-on-disc configuration using 100Cr6 steel and tungsten carbide balls with load forces between 50mN and 1000 mN. For dry friction, we find a possibility to reduce the coefficient of friction and we observe a pronounced direction dependency for surfaces fabricated by Laser Beam Interference Ablation. Furthermore, Laser-Induced Periodic Surface Structures result in a load-dependent friction reduction for lubricated linear reciprocating movements. This work helps to identify the modification behaviour of laser generated micro structures with feature sizes of approximately 1μm and reveals new possibilities for surface engineering

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Metadaten
Author:Stefan RungORCiD, Kevin Bokan, Frederick Kleinwort, Simon Schwarz, Peter Simon, Jan-Hendrik Klein-Wiele, Cemal Esen, Ralf HellmannORCiD
DOI:https://doi.org/10.3390/lubricants7050043
Parent Title (English):Lubricants
Document Type:Article
Language:English
Year of Completion:2019
Date of first Publication:2019/05/17
Release Date:2020/04/30
Tag:dry friction; laser beam interference ablation; laser surface texturing; laser-induced periodic surface structures; lubricated friction
GND Keyword:Laser; Oberflächenstruktur
Volume:7
Issue:43
First Page:1
Last Page:13
Urheberrecht:1
research focus :Intelligent Systems / Intelligent Sensors and Signals
Materials / Innovative Material Processing
Materials / Material Testing & Sensor Technology
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International
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