Nanocomposite coatings have lately been attracting a lot of attention mainly because of their superior mechanical and tribological properties even under very severe operating conditions (such as high loads, speeds, temperatures, starved or marginal lubrication, etc.). These coatings may consist of multiple crystalline and/or amorphous phases that make them truly composite and hence multi-functional. In this paper, we primarily focus on the chemical and structural design of such coatings for superior friction and wear properties under lubricated sliding conditions that are typical of various engine applications. As an innovative approach for the design of such coatings, we employed a crystal-chemical model that can be very useful for the selection of right kinds of coating ingredients that are essential for their unique structures and superior property and performance characteristics under severe tribological conditions. Novel MoNx−Cu coatings produced according to this model could provide friction coefficients as low as 0.04 under boundary lubricated sliding regimes and they could not be scuffed or worn through under the heaviest loading conditions of a block-on-ring test machine.
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ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
July 12–14, 2010
Istanbul, Turkey
Conference Sponsors:
- International
ISBN:
978-0-7918-4915-6
PROCEEDINGS PAPER
Design of Novel Nanocomposite Nitride Coatings for Severe Tribological Applications
A. Erdemir,
A. Erdemir
Argonne National Laboratory, Argonne, IL
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O. L. Eryilmaz,
O. L. Eryilmaz
Argonne National Laboratory, Argonne, IL
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M. Urgen,
M. Urgen
Istanbul Technical University, Istanbul, Turkey
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M. K. Kazmanli,
M. K. Kazmanli
Istanbul Technical University, Istanbul, Turkey
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V. Ezirmik
V. Ezirmik
Ataturk University, Erzurum, Turkey
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A. Erdemir
Argonne National Laboratory, Argonne, IL
O. L. Eryilmaz
Argonne National Laboratory, Argonne, IL
M. Urgen
Istanbul Technical University, Istanbul, Turkey
M. K. Kazmanli
Istanbul Technical University, Istanbul, Turkey
V. Ezirmik
Ataturk University, Erzurum, Turkey
Paper No:
ESDA2010-25262, pp. 665-669; 5 pages
Published Online:
December 28, 2010
Citation
Erdemir, A, Eryilmaz, OL, Urgen, M, Kazmanli, MK, & Ezirmik, V. "Design of Novel Nanocomposite Nitride Coatings for Severe Tribological Applications." Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 1. Istanbul, Turkey. July 12–14, 2010. pp. 665-669. ASME. https://doi.org/10.1115/ESDA2010-25262
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