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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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Fridrici, Vincent
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Influence of the crystallographic orientations of Ti–6Al–4V substrate on the morphology and optical properties of oxide thin films obtained by anodizingcitations
- 2024Effect of the elevated temperature on the wear behavior of Laser Metal Deposition IN718 repairscitations
- 2023Surface microstructure of an IN718 3D coating manufactured by Laser Metal Depositioncitations
- 2023Sliding wear resistance and residual stresses of parts repaired by laser metal depositioncitations
- 2023Sliding wear resistance and residual stresses of parts repaired by laser metal depositioncitations
- 2021Soft EHL-Based Friction Mechanism of Unreinforced and GF-Reinforced PA66 in Contact with Steel Under PAO8 Oil Lubricationcitations
- 2021Development of Metal-Ceramic-Lubricant Composite Coatings Obtained by Cold Spray for Tribological Applications in the Automotive Industrycitations
- 2020Some Hard or Soft Coatings to Protect the Pristine Biometallic Substrates under Fretting-Corrosion Solicitations: What Should Be the Best Solution?citations
- 2018Temperature effect on the kinetic alumina layer growth on 5086 aluminum substratecitations
- 2012Degradation of Bioceramics.citations
- 2008Yield, creep and wear properties of Ultra High Molecular Weight Polyethylene processed by High Velocity Compactioncitations
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article
Some Hard or Soft Coatings to Protect the Pristine Biometallic Substrates under Fretting-Corrosion Solicitations: What Should Be the Best Solution?
Abstract
Under tribological conditions in aqueous medium, the contact of materials does involve some degradations of materials. Especially friction under small reciprocal displacement, i.e., fretting corrosion, is occurring; this topic has been highlighted since the 80 s regarding hip implants. Hip prosthesis is assembled from three parts: femoral stem, neck and head. Fretting corrosion or friction corrosion between metallic parts first involves some degradation of the oxides layers. This step is governed by mechanics and it is related to some few minutes. Afterwards the corrosion occurrs enhanced by mechanical degradation. As well focused some oxides and some metallic ions are related to biocompatibility issues. Some strategies are available in order to avoid metal against metal friction and/or fretting. Some hard coatings and some smooth coatings were investigated. The first one is diamond-like carbon (DLC), and the second is a polyetheretherketone (PEEK), polymeric one. The investigations were focused on fretting corrosion solicitations of Ti-6Al-4V vs. Ti-6Al-4V + coating. DLC as a coating delays the corrosion degradation. The PEEK coating does not promote any corrosion degradation of the metallic counter part and more generally any wear.