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Open AccessArticle

Improving Tribological Properties of Stainless Steel Surfaces by Femtosecond Laser Irradiation

1
Samara National Research University, Moskovskoe Shosse 34, Samara 443086, Russian
2
Institute of Production Engineering and Photonic Technologies, TU Wien, Getreidemarkt 9, 1060 Vienna, Austria
*
Author to whom correspondence should be addressed.
Coatings 2020, 10(7), 606; https://doi.org/10.3390/coatings10070606
Received: 29 May 2020 / Revised: 20 June 2020 / Accepted: 23 June 2020 / Published: 28 June 2020
(This article belongs to the Special Issue Surface Engineering for Friction and Wear Reduction)
A possibility of improving tribological properties by femtosecond laser irradiation on an example of a steel surface by creating regularly arranged micro-grooved textures that contain self-organized microstructures and nano laser-induced periodic surface structures (LIPSS) was determined. The friction coefficient of the treated surface of a sample of cold-rolled 1.4301 stainless steel was evaluated using a CSM Instruments SA tribometer according to a Pin-on-disk test scheme at a specific pressure of 1 MPa. It was found that the coefficient of friction was reduced by 35% compared to the initial grinded surface. Such laser treatment can find application for using parts in conditions of dry or boundary friction, mainly in units, in which the use of lubricant is unacceptable or extremely undesirable. View Full-Text
Keywords: tribological properties; sliding friction coefficient; stainless steel; treated surface; femtosecond laser irradiation; self-organized microstructures; nano LIPSS tribological properties; sliding friction coefficient; stainless steel; treated surface; femtosecond laser irradiation; self-organized microstructures; nano LIPSS
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MDPI and ACS Style

Murzin, S.P.; Balyakin, V.B.; Liedl, G.; Melnikov, A.A.; Fürbacher, R. Improving Tribological Properties of Stainless Steel Surfaces by Femtosecond Laser Irradiation. Coatings 2020, 10, 606.

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