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Title:Influence of oil viscosity on the tribological behavior of a laser-textured Ti6Al4V alloy
Authors:ID Conradi, Marjetka (Author)
ID Kocijan, Aleksandra (Author)
ID Podgornik, Bojan (Author)
Files:.pdf PDF - Presentation file, download (4,00 MB)
MD5: 75AE3EF775B3DDF8A482656AF4355D48
 
URL URL - Source URL, visit https://www.mdpi.com/1996-1944/16/19/6615
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo IMT - Institute of Metals and Technology
Abstract:Laser texturing with a dimple pattern was applied to modify a Ti6Al4V alloy at the micro level, aiming to improve its friction and wear resistance in combination with oil lubrication to optimize the performance in demanding industrial environments. The tribological analysis was performed on four different dimple-textured surfaces with varying dimple size and dimple-to-dimple distance and under lubrication with three different oils, i.e., T9, VG46, and VG100, to reflect the oil viscosity’s influence on the friction/wear of the laser-textured Ti6Al4V alloy. The results show that the surfaces with the highest texture density showed the most significant COF reduction of around 10% in a low-viscosity oil (T9). However, in high-viscosity oils (VG46 and VG100), the influence of the laser texturing on the COF was less pronounced. A wear analysis revealed that the laser texturing intensified the abrasive wear, especially on surfaces with a higher texture density. For low-texturing-density surfaces, less wear was observed for low- and medium-viscosity oils (T9 and VG46). For medium-to-high-texturing densities, the high-viscosity oil (VG100) provided the best contact conditions and wear results. Overall, reduced wear, even below the non-texturing case, was observed for sample 50–200 in VG100 lubrication, indicating the combined effect of oil reservoirs and increased oil-film thickness within the dimples due to the high viscosity.
Keywords:oil lubrication, surface modification, Ti-based alloy, tribology
Publication status:Published
Publication version:Version of Record
Publication date:09.10.2023
Publisher:MDPI
Year of publishing:2023
Number of pages:str. 1-10
Numbering:Vol. 16, iss. 19
Source:Švica
PID:20.500.12556/DiRROS-18074 New window
UDC:539.92
ISSN on article:1996-1944
DOI:10.3390/ma16196615 New window
COBISS.SI-ID:168088323 New window
Copyright:© 2023 by the authors
Note:Nasl. z nasl. zaslona; Opis vira z dne 12. 10. 2023; Št. članka: 6615;
Publication date in DiRROS:01.02.2024
Views:861
Downloads:342
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CONRADI, Marjetka, KOCIJAN, Aleksandra and PODGORNIK, Bojan, 2023, Influence of oil viscosity on the tribological behavior of a laser-textured Ti6Al4V alloy. Materials [online]. 2023. Vol. 16, no. 19, p. 1–10. [Accessed 16 March 2025]. DOI 10.3390/ma16196615. Retrieved from: https://dirros.openscience.si/IzpisGradiva.php?lang=eng&id=18074
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Record is a part of a journal

Title:Materials
Shortened title:Materials
Publisher:Molecular Diversity Preservation International
ISSN:1996-1944
COBISS.SI-ID:33588485 New window

Document is financed by a project

Funder:ARRS - Slovenian Research Agency
Project number:P2-0132
Name:Fizika in kemija površin kovinskih materialov
Funder:ARRS - Slovenian Research Agency
Project number:P2-0050
Name:Kovinski materiali in tehnologije
Funder:ARRS - Slovenian Research Agency
Project number:L2-4445
Name:Razvoj naprednih Ti6Al4V komponent rezervoarja za letalsko industrijo s hibridno SLM/DED dodajno tehnologijo

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License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

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