Water-based fluids containing nanostructured fullerene and 18-crown ether-6 were investigated. The effects of those nanostructured additives on the tribological performance of titanium and its alloys as potential biomaterials were analyzed. Experimentally, tribology tests were conducted using a Ti–6Al–4V ball against a disk made of pure titanium as a simplified model of the material rubbing pair. Lubrication mechanisms were studied by comparing the nanostructures, viscosities, and frictions. Results showed that the fullerene in deionized water provided the lowest viscosity and friction. Crown ether, on the other hand, provided high friction and shear. Our analysis indicated that the fullerene was weakly interacted with water compared with the crown ether, resulting in an extended low friction in the boundary lubrication regime. The crown ether required extra energy in order to slide or roll. This led to a high friction. This finding opens the possibilities for lubrication design and optimization for biological and engineering applications in general.
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July 2010
Research Papers
Effects of Nanostructured Additives on Boundary Lubrication for Potential Artificial Joint Applications
Alice Pendleton,
Alice Pendleton
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123
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Prasenjit Kar,
Prasenjit Kar
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123
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Subrata Kundu,
Subrata Kundu
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123
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Sahar Houssamy,
Sahar Houssamy
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123
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Hong Liang
Hong Liang
Department of Mechanical Engineering,
e-mail: hliang@tamu.edu
Texas A&M University
, College Station, TX 77843-3123
Search for other works by this author on:
Alice Pendleton
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123
Prasenjit Kar
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123
Subrata Kundu
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123
Sahar Houssamy
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123
Hong Liang
Department of Mechanical Engineering,
Texas A&M University
, College Station, TX 77843-3123e-mail: hliang@tamu.edu
J. Tribol. Jul 2010, 132(3): 031201 (5 pages)
Published Online: June 4, 2010
Article history
Received:
June 4, 2009
Revised:
March 2, 2010
Online:
June 4, 2010
Published:
June 4, 2010
Citation
Pendleton, A., Kar, P., Kundu, S., Houssamy, S., and Liang, H. (June 4, 2010). "Effects of Nanostructured Additives on Boundary Lubrication for Potential Artificial Joint Applications." ASME. J. Tribol. July 2010; 132(3): 031201. https://doi.org/10.1115/1.4001457
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