| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Schipper, Dirk J.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2020Characterization of yield criteria for zinc coated steel sheets using nano-indentation with knoop indentercitations
- 2020Analytical, numerical and experimental studies on ploughing behaviour in soft metallic coatingscitations
- 2019Characterization of interfacial shear strength and its effect on ploughing behaviour in single-asperity slidingcitations
- 2019Modelling of ploughing in a single-asperity sliding contact using material point methodcitations
- 2012Investigating the influence of sand particle properties on abrasive wear behaviourcitations
- 2012Effect of temperature on friction and wear behavior of CuO-zirconia compositescitations
- 2011High-Temperature Tribological and Self-Lubricating Behavior of Copper Oxide-Doped Y-TZP Composite Sliding Against Aluminacitations
- 2009Dry-sliding self-lubricating ceramics: CuO doped 3Y-TZPcitations
- 2007Effect of Microstructure on the Tribological and Mechanical Properties of CuO-Doped 3Y-TZP Ceramicscitations
- 2004Friction behaviour of solid oxide lubricants as second phase in alpha-Al2O3 and stabilised ZrO2 compositescitations
Places of action
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article
High-Temperature Tribological and Self-Lubricating Behavior of Copper Oxide-Doped Y-TZP Composite Sliding Against Alumina
Abstract
The tribological behavior of 5 wt% copper oxide-doped tetragonal zirconia polycrystal composite has been investigated while it slides against an alumina counterface under high temperature conditions. The effects of load (1, 2.5, and 5 N) and velocity (0.05 and 0.1 m/s) on the wear mechanism have been investigated. The results were compared with undoped zirconia at 595°C. A coefficient of friction (COF) of 0.35 and a specific wear rate less than 10−6 mm3/Nm were obtained at 595°C when copper oxide was added to zirconia. Further, it has been observed that a self-lubricating layer is formed at the interface. Scanning electron microscopy and X-ray photoelectron spectroscopy have been used to investigate the formation of the self-lubricating copper-rich layer at the interface between the disk and counterface materials. The formation of a self-lubricating layer, as well as the wear mechanisms at different operational conditions (load and velocity) are discussed. It appears that plastic deformation of copper-rich phase at higher temperature is responsible for the decrease in friction and wear