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| Grohsjean, Alexander |
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| Falmagne, G. |
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| Erice, C. |
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| Hernandez, A. M. Vargas |
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| Leiton, A. G. Stahl |
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| Lipka, K. |
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| Pantaleo, F. |
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| Torterotot, L. |
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| Savina, M. |
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| Cerri, O. |
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| Jung, A. W. |
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| Chiarito, B. |
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| Sahin, M. O. |
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| Strong, G. |
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| Saradhy, R. |
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| Joshi, B. M. |
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| Kaynak, B. |
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| Barrera, C. Baldenegro |
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| Longo, Egidio |
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| Kolberg, Ted |
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| Ferguson, Thomas |
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| Leverington, Blake |
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| Haase, Fabian |
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| Heath, Helen F. |
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| Kokkas, Panagiotis |
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Reinert, Leander
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2018Advanced self-lubricating surfaces based on carbon nanoparticles
- 2018Tribological behavior of self-lubricating carbon nanoparticle reinforced metal matrix composites
- 2018Influence of Surface Design on the Solid Lubricity of Carbon Nanotubes-Coated Steel Surfaces
- 2018Influence of Surface Roughness on the Lubrication Effect of Carbon Nanoparticle-Coated Steel Surfaces
- 2018Tribo-Mechanisms of Carbon Nanotubes: Friction and Wear Behavior of CNT-Reinforced Nickel Matrix Composites and CNT-Coated Bulk Nickel
- 2018Dry friction and wear of self-lubricating carbon-nanotube-containing surfaces
- 2017Carbon Nanoparticle‐Reinforced Metal Matrix Composites: Microstructural Tailoring and Predictive Modeling
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article
Tribo-Mechanisms of Carbon Nanotubes: Friction and Wear Behavior of CNT-Reinforced Nickel Matrix Composites and CNT-Coated Bulk Nickel
Abstract
In this study, nickel matrix composites reinforced by carbon nanotubes (CNTs) are compared to unreinforced CNT-coated (by drop-casting) bulk nickel samples in terms of their friction and wear behavior, thus gaining significant knowledge regarding the tribological influence of CNTs and the underlying tribo-mechanism. It has been shown that the frictional behavior is mainly influenced by the CNTs present in the contact zone, as just minor differences in the coefficient of friction between the examined samples can be observed during run-in. Consequently, the known effect of a refined microstructure, thus leading to an increased hardness of the CNT reinforced samples, seems to play a minor role in friction reduction compared to the solid lubrication effect induced by the CNTs. Additionally, a continuous supply of CNTs to the tribo-contact can be considered isolated for the reinforced composites, which provides a long-term friction reduction compared to the CNT-coated sample. Finally, it can be stated that CNTs can withstand the accumulated stress retaining to some extent their structural state for the given strain. A comprehensive study performed by complementary analytical methods is employed, including Raman spectroscopy and scanning electron microscopy to understand the involved friction and wear mechanisms.