Role of surface wetting on tribological behavior for laser nanotextured steel using ionic liquid lubricants

Avik Samanta; Wuji Huang; Kyungjun Lee; Xin He; Chanaka Kumara; Jun Qu; Hongtao Ding

doi:10.1016/j.jmapro.2023.04.031

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Role of surface wetting on tribological behavior for laser nanotextured steel using ionic liquid lubricants

Journal article

Peer reviewed

Role of surface wetting on tribological behavior for laser nanotextured steel using ionic liquid lubricants

Avik Samanta, Wuji Huang, Kyungjun Lee, Xin He, Chanaka Kumara, Jun Qu and Hongtao Ding

Journal of manufacturing processes, Vol.95, pp.302-311

06/09/2023

DOI: 10.1016/j.jmapro.2023.04.031

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https://www.osti.gov/servlets/purl/1994632View

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Abstract

This research evaluates the effect of surface wettability on the tribological performance through ball-on-flat tribology testing. The substrate material, M2 tool steel, is laser processed and then functionalized with fluorocarbon and nitrile chemistry to achieve distinct oleophobicity and oleophilicity, respectively, but with a similar nanoscale surface texture. The baseline lubricant is poly-alpha-olefin (PAO) oil, and ionic liquids (ILs) are used as additives for this study. The interaction between the nanoscale textured steel surface and ionic liquid-based oils is investigated. A set of reciprocating wear tests are performed to investigate the tribological behavior of the tribo-system consisting of the surface-engineered, flat M2 tool steel specimen and a standard, surface-polished steel ball. Results show that the oleophobic flat surface results in a lower friction, while the oleophilic surface modification leads to a better wear protection to the flat surface. Ammonium-based IL provides the highest friction reduction, while the phosphonium-based ILs provide an improved wear protection. [Display omitted] •Tribological behaviors were evaluated for laser-textured surfaces with distinct wetting properties.•The mechanism of wettability affecting the surface tribological performance was investigated.•The oleophobic flat surface has lower friction coefficient under the lubricated conditions for ball-on-flat geometry.•Oleophilic surface modification helps mitigate its wear.•The ammonium-based IL provides the best friction reduction, while the phosphonium-based IL gives the best wear protection.

Ionic liquid

Laser texturing

Surface wetting

Tribological behavior

Wear

Details

Title: Subtitle: Role of surface wetting on tribological behavior for laser nanotextured steel using ionic liquid lubricants
Creators: Avik Samanta - Energy and Environment Directorate, Pacific Northeast National Laboratory, Richland, WA 99354, USA
Wuji Huang - University of Iowa
Kyungjun Lee - Gachon University
Xin He - Oak Ridge National Laboratory
Chanaka Kumara - Oak Ridge National Laboratory
Jun Qu - Oak Ridge National Laboratory
Hongtao Ding - Department of Mechanical Engineering, The University of Iowa, Iowa City, IA 52242, USA
Resource Type: Journal article
Publication Details: Journal of manufacturing processes, Vol.95, pp.302-311
DOI: 10.1016/j.jmapro.2023.04.031
ISSN: 1526-6125
eISSN: 2212-4616
Publisher: Elsevier Ltd
Grant note: DOI: 10.13039/100000001, name: National Science Foundation, award: CMMI-1762353; DOI: 10.13039/100006228, name: Oak Ridge National Laboratory; DOI: 10.13039/100000015, name: U.S. Department of Energy; DOI: 10.13039/100011884, name: Vehicle Technologies Office; DOI: 10.13039/100020088, name: Solvay; DOI: 10.13039/501100012640, name: ExxonMobil Foundation; DOI: 10.13039/100003187, name: NSF; DOI: 10.13039/100006134, name: Office of Energy Efficiency and Renewable Energy
Language: English
Date published: 06/09/2023
Academic Unit: Mechanical Engineering
Record Identifier: 9984398207202771

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