Laser Induced Periodic Surface Structures on 100Cr6 Steel for Modification of Friction Demonstrated with Stribeck Test

  • In this contribution, we report on surface functionalization by introducing laser induced periodic surface structures on 100Cr6 bearing steel to modify complex tribological properties. The advanced approach of this study is the measurement of the coefficient of friction by performing a ball-on-disk Stribeck test on laser structured surfaces with polytetrafluoroethylene balls in a lubricant environment. The Stribeck test reveals the modified friction behavior using translation speeds up to 106 mm/min and load forces between 100 mN and 5000 mN. Our results show increased stiction and coefficient of friction for laser structured surfaces in the regime of boundary lubrication which is attributed to the laser induced surface asperities. Decreased coefficient of friction is observed in the regime of mixed and hydrodynamic lubrication, i.e. for velocities higher than 1000 mm/min, for surfaces covered by laser induced periodic surface structures with low spatial frequency.

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Metadaten
Author:Stefan RungORCiD, Kevin Bokan, Kevin Rutsch, Simon Schwarz, Cemal Esen, Ralf HellmannORCiD
DOI:https://doi.org/10.2961/jlmn.2018.03.0004
Parent Title (English):Journal of Laser Micro/Nanoengineering
Document Type:Article
Language:English
Year of Completion:2018
Release Date:2020/04/30
GND Keyword:Laser; Oberflächenstruktur
Volume:13
Issue:3
First Page:160
Last Page:165
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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