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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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Echeverry-Rendon, Monica
IMDEA Materials
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Cytocompatibility, cell‐material interaction, and osteogenic differentiation of MC3T3‐E1 pre‐osteoblasts in contact with engineered Mg/PLA compositescitations
- 2020Effect of surface characteristics on the antibacterial properties of titanium dioxide nanotubes produced in aqueous electrolytes with carboxymethyl cellulose.citations
- 2019Considerations about sterilization of samples of pure magnesium modified by plasma electrolytic oxidationcitations
- 2019Coatings for biodegradable magnesium-based supports for therapy of vascular diseasecitations
- 2018Formation of nanotubular TiO2 structures with varied surface characteristics for biomaterial applicationscitations
- 2018Improved corrosion resistance of commercially pure magnesium after its modification by plasma electrolytic oxidation with organic additivescitations
- 2018Novel coatings obtained by plasma electrolytic oxidation to improve the corrosion resistance of magnesium-based biodegradable implantscitations
- 2018Balancing biofunctional and biomechanical properties using porous titanium reinforced by carbon nanotubes.citations
- 2017Modification of titanium alloys surface properties by plasma electrolytic oxidation (PEO) and influence on biological response.citations
- 2015Osseointegration improvement by plasma electrolytic oxidation of modified titanium alloys surfaces.citations
Places of action
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article
Novel coatings obtained by plasma electrolytic oxidation to improve the corrosion resistance of magnesium-based biodegradable implants
Abstract
Due its good properties, Magnesium (Mg) is a metal widely used in industrial applications and in biomedical field. However Mg is highly reactive and its wear and corrosion resistance are low. Plasma electrolytic oxidation (PEO), also known as microarc oxidation (MAO), is a favorable technique which can be used to produce coatings of MgO/Mg(OH)(2) in a controlled way with specific morphology, thickness and composition by the modification of the operation parameters of the system such as voltage, current density, time and electrolytic solution. The aim of this paper was to study the effect of some additives in the base electrolyte solution composed of silicate and potassium hydroxide. As additives, sodium fluoride was compared with two unreported organics compounds, hexamethylenetetramine and mannitol. Both galvanostatic and potentiostatic modes were used for anodization. Voltage-time and current density-time curves were correlated with SEM images of the surfaces and cross-sections in order to know the effect of anodizing parameters on the thickness and morphology of the coatings. Finally it was possible to conclude that coatings obtained by addition of sodium fluoride were compact and for hexamethylenetetramine and mannitol the coatings consisted of interconnected pores. Additionally it was observed that anodization in electrolytes containing NaF induced the formation of unreported multi-layered films whilst for the organic additives the anodic coatings had the typical bilayer morphology, an internal barrier layer beneath an outer porous layer.