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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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Thiele, Simon
Helmholtz Institute Erlangen-Nürnberg
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Fabrication and Characterization of a Magnetic 3D‐printed Microactuatorcitations
- 2024Pyridine-containing polyhydroxyalkylation-based polymers for use in vanadium redox flow batteries
- 2023Isopropanol electro-oxidation on Pt-Ru-Ircitations
- 2023Highly durable spray-coated plate catalyst for the dehydrogenation of perhydro benzyltoluenecitations
- 2022Nafion Composite Membrane Reinforced By Phosphonated Polypentafluorostyrene Nanofibers
- 2022Catalyst Dissolution Analysis in PEM Water Electrolyzers during Intermittent Operationcitations
- 2021Amorphous Carbon Coatings for Total Knee Replacements—Part II: Tribological Behaviorcitations
- 2021Amorphous carbon coatings for total knee replacements—part i: Deposition, cytocompatibility, chemical and mechanical propertiescitations
- 2020Fabrication of a Robust PEM Water Electrolyzer Based on Non‐Noble Metal Cathode Catalyst: [Mo<sub>3</sub>S<sub>13</sub>]<sup>2−</sup> Clusters Anchored to N‐Doped Carbon Nanotubescitations
- 2020Fabrication of a Robust PEM Water Electrolyzer Based on Non‐Noble Metal Cathode Catalyst: [Mo3S13]2− Clusters Anchored to N‐Doped Carbon Nanotubes
- 2020Improved Hydrogen Oxidation Reaction Activity and Stability of Buried Metal-Oxide Electrocatalyst Interfacescitations
- 2020Improved Hydrogen Oxidation Reaction Activity and Stability of Buried Metal-Oxide Electrocatalyst Interfacescitations
- 2020Tomographic reconstruction and analysis of a silver CO2 reduction cathodecitations
- 2020Tailored nanocomposites for 3D printed micro-opticscitations
- 2018A steady-state Monte Carlo study on the effect of structural and operating parameters on liquid water distribution within the microporous layers and the catalyst layers of PEM fuel cellscitations
- 2017A fully spray-coated fuel cell membrane electrode assembly using aquivion ionomer with a graphene oxide/cerium oxide interlayercitations
- 2017Comprehensive investigation of novel pore-graded gas diffusion layers for high-performance and cost-effective proton exchange membrane electrolyzerscitations
- 2017High surface hierarchical carbon nanowalls synthesized by plasma deposition using an aromatic precursorcitations
Places of action
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article
Amorphous Carbon Coatings for Total Knee Replacements—Part II: Tribological Behavior
Abstract
Diamond-like carbon coatings may decrease implant wear, therefore, they are helping to reduce aseptic loosening and increase service life of total knee arthroplasties (TKAs). This two-part study addresses the development of such coatings for ultrahigh molecular weight polyethylene (UHMWPE) tibial inlays as well as cobalt-chromium-molybdenum (CoCr) and titanium (Ti64) alloy femoral components. While the deposition of a pure (a-C:H) and tungsten-doped hydrogen-containing amorphous carbon coating (a-C:H:W) as well as the detailed characterization of mechanical and adhesion properties were the subject of Part I, the tribological behavior is studied in Part II. Pin-on-disk tests are performed under artificial synovial fluid lubrication. Numerical elastohydrodynamic lubrication modeling is used to show the representability of contact conditions for TKAs and to assess the influence of coatings on lubrication conditions. The wear behavior is characterized by means of light and laser scanning microscopy, Raman spectroscopy, scanning electron microscopy and particle analyses. Although the coating leads to an increase in friction due to the considerably higher roughness, especially the UHMWPE wear is significantly reduced up to a factor of 49% (CoCr) and 77% (Ti64). Thereby, the coating shows continuous wear and no sudden failure or spallation of larger wear particles. This demonstrated the great potential of amorphous carbon coatings for knee replacements.