Friction and wear performance of low-friction carbon coatings under oil lubrication.

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Amorphous carbon coatings with very low friction properties were recently developed at Argonne National Laboratory. These coatings have shown good promise in mitigating excessive wear and scuffing problems associated with low-lubricity diesel fuels. To reduce the negative effect of sulfur and other lubricant additives in poisoning the after-treatment catalyst, a lubricant formulation with a low level of sulfur may be needed. Exclusion of proven sulfur-containing extreme pressure (EP) and antiwear additives from oils will require other measures to ensure durability of critical lubricated components. The low-friction carbon coating has the potential for such applications. In the present study, we evaluated ... continued below

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12 pages

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Kovalchenko, A.; Ajayi, O. O.; Erdemir, A. & Fenske, G. R. December 11, 2001.

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Amorphous carbon coatings with very low friction properties were recently developed at Argonne National Laboratory. These coatings have shown good promise in mitigating excessive wear and scuffing problems associated with low-lubricity diesel fuels. To reduce the negative effect of sulfur and other lubricant additives in poisoning the after-treatment catalyst, a lubricant formulation with a low level of sulfur may be needed. Exclusion of proven sulfur-containing extreme pressure (EP) and antiwear additives from oils will require other measures to ensure durability of critical lubricated components. The low-friction carbon coating has the potential for such applications. In the present study, we evaluated the friction and wear attributes of three variations of the coating under a boundary lubrication regime. Tests were conducted with both synthetic and mineral oil lubricants using a ball-on-flat contact configuration in reciprocating sliding. Although the three variations of the coating provided modest reductions in friction coefficient, they all reduced wear substantially compared to an uncoated surface. The degradation mode of oxidative wear on the uncoated surface was replaced by a polishing wear mode on the coated surfaces.

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12 pages

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  • 2002 Future Car Congress, Arlington, VA (US), 06/03/2002--06/05/2002

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  • Report No.: ANL/ET/CP-105672
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 795815
  • Archival Resource Key: ark:/67531/metadc738346

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • December 11, 2001

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 21, 2016, 5:56 p.m.

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Kovalchenko, A.; Ajayi, O. O.; Erdemir, A. & Fenske, G. R. Friction and wear performance of low-friction carbon coatings under oil lubrication., article, December 11, 2001; Illinois. (digital.library.unt.edu/ark:/67531/metadc738346/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.