<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Surface textures can be defined as a regularly arranged micro-depressions or grooves with defined shape and dimensions. These textures, if they are manufactured by laser ablation process, contribute to a significant improvement of the tribological, optical or various biological properties. The aim of this paper is to analyze the influence of the surface textures prepared by laser surface texturing (LST) at the friction coefficient value measured on the tool (90MnCrV8 steel) – workpiece (S235JRG1 steel) interface. Planar frontal surfaces of compression platens have been covered by parabolic dimple-like depressions with different dimensions. The morphological analysis of such manufactured depressions has been performed by laser scanning microscopy. Influence of such created textures on the tribological properties of the contact pair has been analyzed by the ring compression test method in the terms of hydrodynamic lubrication regime. The experimental research shown that by applying of surface textures with defined shape and dimensions and using an appropriate liquid lubricant at the same time, the coefficient of contact friction can be reduced nearly to the half of its original value.</p></abstract>

Surface textures can be defined as a regularly arranged micro-depressions or grooves with defined shape and dimensions. These textures, if they are manufactured by laser ablation process, contribute to a significant improvement of the tribological, optical or various biological properties. The aim of this paper is to analyze the influence of the surface textures prepared by laser surface texturing (LST) at the friction coefficient value measured on the tool (90MnCrV8 steel) – workpiece (S235JRG1 steel) interface. Planar frontal surfaces of compression platens have been covered by parabolic dimple-like depressions with different dimensions. The morphological analysis of such manufactured depressions has been performed by laser scanning microscopy. Influence of such created textures on the tribological properties of the contact pair has been analyzed by the ring compression test method in the terms of hydrodynamic lubrication regime. The experimental research shown that by applying of surface textures with defined shape and dimensions and using an appropriate liquid lubricant at the same time, the coefficient of contact friction can be reduced nearly to the half of its original value.

Friction Evaluation of Laser Textured Tool Steel Surfaces

Faculty of Material Science and Technology, Institute of Production Technologies

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Friction Evaluation of Laser Textured Tool Steel Surfaces"}

Surface textures can be defined as a regularly arranged micro-depressions or grooves with defined shape and dimensions. These textures, if they are...

Friction Evaluation of Laser Textured Tool Steel Surfaces

Published Online: Jun 15, 2017

Page range: 129 - 134

Received: Nov 02, 2015

Accepted: May 17, 2017

DOI: https://doi.org/10.1515/ama-2017-0020

Keywords
Laser Surface Texturing, Dimple-Like Depressions, Friction Coefficient, Lubrications, Ring – Test

© 2017 Bialystok University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Friction Evaluation of Laser Textured Tool Steel Surfaces

Published Online: Jun 15, 2017

Page range: 129 - 134

Received: Nov 02, 2015

Accepted: May 17, 2017

DOI: https://doi.org/10.1515/ama-2017-0020

KeywordsLaser Surface Texturing, Dimple-Like Depressions, Friction Coefficient, Lubrications, Ring – Test

© 2017 Bialystok University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Laser Surface Texturing, Dimple-Like Depressions, Friction Coefficient, Lubrications, Ring – Test