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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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Cizek, Jan
Institute of Plasma Physics
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2024Scanning Acoustic Microscopy Characterization of Cold-Sprayed Coatings Deposited on Grooved Substratescitations
- 2024A Comparative Study on Wear Resistance of Cold-Sprayed Aluminum/Quasicrystal Composite Coatingscitations
- 2023Tribological Assessment of Cold Sprayed Aluminum-Quasicrystal Composite Coatingscitations
- 2021Measurement of mechanical and fatigue properties using unified, simple-geometry specimens: cold spray additively manufactured pure metalscitations
- 2016Towards near-permanent CoCrMo prosthesis surface by combining micro-texturing and low temperature plasma carburisingcitations
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article
Towards near-permanent CoCrMo prosthesis surface by combining micro-texturing and low temperature plasma carburising
Abstract
An advanced surface engineering process combining micro-texture with a plasma carburising process was produced on CoCrMo femoral head, and their tribological properties were evaluated by the cutting-edge pendulum hip joint simulator coupled with thin film colorimetric interferometry. FESEM and GDOES showed that precipitation-free C S-phase with a uniform case depth of 10 μm was formed across the micro-textures after duplex treatment. Hip simulator tests showed that the friction coefficient was reduced by 20% for micro-metre sized texture, and the long-term tribological property of microtexture was enhanced by the C-supersaturated crystalline microstructure formed on the surface of duplex treated CoCrMo, thereby enhancing biotribological durability significantly. In-situ colorimetric interferometry confirmed that the maximum film thickness around texture area was 530 nm, indicating that the additional lubricant during sliding motion might provide exceptional bearing life.