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Open AccessArticle

Tribological Properties of High-Speed Uniform Femtosecond Laser Patterning on Stainless Steel

1
University of Modena and Reggio Emilia (UNIMORE), Amendola 2, 42122 Reggio Emilia, Italy
2
NoviNano Lab, Pasternaka 5, 79015 Lviv, Ukraine
3
Department of Photonics, Lviv Polytechnic National University, Stepana Bandery 14, 79000, Lviv, Ukraine
4
Department of Physics, Computer Science and Mathematics, University of Modena and Reggio Emilia, Giuseppe Campi 213/a, 41125 Modena, Italy
5
Centro Interdipartimentale per la Ricerca Applicata e i Servizi nella Meccanica Avanzata enella Motoristica Intermech-Mo.Re., Università di Modena e Reggio Emilia, Vignolese 905/b, 41125, Modena, Italy
6
Istituto CNR-NANO S3, Giuseppe Campi 213, 41125 Modena, Italy
*
Author to whom correspondence should be addressed.
Lubricants 2019, 7(10), 83; https://doi.org/10.3390/lubricants7100083
Received: 18 July 2019 / Revised: 16 September 2019 / Accepted: 17 September 2019 / Published: 24 September 2019
In this work, an analysis of the tribological performance of laser-induced periodic surface structures (LIPSS) treated X5CrNi1810 stainless steel was conducted. The approach followed by authors was to generate LIPSS-patterned circular tracks, composed of radial straight grooves with uniform angular periodicity. This permitted to measure the tribological properties in a pin-on-flat configuration, keeping fixed the orientation between the grooves and the sliding direction. A Stribeck curve was measured, as well as the consequent wear. A deep analysis of the sub-surface conditions after LIPSS generation was moreover performed using Focused Ion Beam (FIB) cross-section. View Full-Text
Keywords: LIPSS; laser surface texturing; tribological properties; wear; Stribeck curve LIPSS; laser surface texturing; tribological properties; wear; Stribeck curve
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MDPI and ACS Style

Gnilitskyi, I.; Rota, A.; Gualtieri, E.; Valeri, S.; Orazi, L. Tribological Properties of High-Speed Uniform Femtosecond Laser Patterning on Stainless Steel. Lubricants 2019, 7, 83.

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