This work deals with the effect of surface roughness parameters on the frictional properties of nanowire-based lubrication systems (NBLS) across Cu surfaces with various topographies. The friction coefficient was discussed in the context of surface roughness parameters including the rms height, inter-island separation and a combined roughness parameter related to the pressure experienced by each nanowire. It was concluded that the rms height of asperity should not be lower than the radius of nanoparticles for effective lubrication. In addition, when the inter-island separation is an integer multiple of the nanowire length, nanowires perform as effective lubricants. Furthermore, the friction coefficient increased when the mean pressure experienced by the nanowires increased. The results obtained in this original study offer some interesting insights into the frictional properties of NBLS as a function of surface roughness parameters. This could lead to a great impact on the selection of nanoparticle-based lubricant aimed at reducing wear and energy losses for various applications.
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April 2012
Micro-Nano Tribology
Influence of Shearing Surface Topography on Frictional Properties of ZnS Nanowire-Based Lubrication System across Ductile Surfaces
Bassem A. Kheireddin,
Bassem A. Kheireddin
Artie McFerrin Department of Chemical Engineering, Materials Science and Engineering Program,
Texas A&M University
, 230 Jack E. Brown Engineering Building, 3122 TAMU, College Station, TX 77843-3122
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Vinay Narayanunni,
Vinay Narayanunni
Artie McFerrin Department of Chemical Engineering, Materials Science and Engineering Program,
Texas A&M University
, 230 Jack E. Brown Engineering Building, 3122 TAMU, College Station, TX 77843-3122
Search for other works by this author on:
Mustafa Akbulut
Mustafa Akbulut
Artie McFerrin Department of Chemical Engineering, Materials Science and Engineering Program,
e-mail: mustafa.akbulut@chemail.tamu.edu
Texas A&M University
, 230 Jack E. Brown Engineering Building, 3122 TAMU, College Station, TX 77843-3122
Search for other works by this author on:
Bassem A. Kheireddin
Artie McFerrin Department of Chemical Engineering, Materials Science and Engineering Program,
Texas A&M University
, 230 Jack E. Brown Engineering Building, 3122 TAMU, College Station, TX 77843-3122
Vinay Narayanunni
Artie McFerrin Department of Chemical Engineering, Materials Science and Engineering Program,
Texas A&M University
, 230 Jack E. Brown Engineering Building, 3122 TAMU, College Station, TX 77843-3122
Mustafa Akbulut
Artie McFerrin Department of Chemical Engineering, Materials Science and Engineering Program,
Texas A&M University
, 230 Jack E. Brown Engineering Building, 3122 TAMU, College Station, TX 77843-3122e-mail: mustafa.akbulut@chemail.tamu.edu
J. Tribol. Apr 2012, 134(2): 022001 (7 pages)
Published Online: April 12, 2012
Article history
Received:
August 31, 2011
Revised:
January 19, 2012
Published:
April 10, 2012
Online:
April 12, 2012
Citation
Kheireddin, B. A., Narayanunni, V., and Akbulut, M. (April 12, 2012). "Influence of Shearing Surface Topography on Frictional Properties of ZnS Nanowire-Based Lubrication System across Ductile Surfaces." ASME. J. Tribol. April 2012; 134(2): 022001. https://doi.org/10.1115/1.4005891
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