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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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Balázsi, Csaba
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Advances, Challenges, and Applications of Graphene and Carbon Nanotube-Reinforced Engineering Ceramicscitations
- 2024Superior Ceramics: Graphene and Carbon Nanotube (CNT) Reinforcementscitations
- 2024Amorphous, Carbonated Calcium Phosphate and Biopolymer-Composite-Coated Si3N4/MWCNTs as Potential Novel Implant Materialscitations
- 2022Influence of Graphene Type and Content on Friction and Wear of Silicon Carbide/Graphene Nanocomposites in Aqueous Environmentcitations
- 2020Nitrid kerámiák környezetkímélő előállítása és vizsgálata: Environmentally friendly preparation of nitride ceramics and their examination
- 2016Electrochemical and morphological investigation of silver and zinc modified calcium phosphate bioceramic coatings on metallic implant materialscitations
- 2016Development and characterization of silver and zinc doped bioceramic layer on metallic implant materials for orthopedic applicationcitations
- 2014Wear damage of Si3N4-graphene nanocomposites at room and elevated temperaturescitations
- 2005Comparison of Silicon Nitrides with Carbon Additions Prepared by Two Different Sintering Methodscitations
Places of action
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article
Development and characterization of silver and zinc doped bioceramic layer on metallic implant materials for orthopedic application
Abstract
<p>A successful electrodeposition method for preparing silver and zinc modified bioactive calcium phosphate layers onto surgical grade titanium alloy material (Ti6Al4V) was developed. The coatings were deposited on the Ti6Al4V surface by pulse current at 70 °C from an electrolyte containing adequate amounts of calcium nitrate, ammonium dihydrogen phosphate, zinc nitrate and silver nitrate. The corrosion resistivity of the bioceramic coatings was assessed in conventional Ringer's solution in a three electrode open cell by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques. The results revealed the pure bioactive calcium phosphate (CaP) coated implant materials to possess the highest resistivity to corrosion, while the silver and zinc doped CaP layer showed at least one order of magnitude lower corrosion resistance. These modified CaP coatings can be further considered as antimicrobial coatings with enhanced biocompatibility. The morphology and structure of the coatings were characterized by Scanning electron microscopy (SEM), Energy-dispersive X-ray Spectroscopy (EDX) and X-ray diffraction (XRD) that confirmed the pulse current deposited CaP layer to consist of a mixture of different calcium phosphate phases such as hydroxyapatite (HAp), monetite (dicalcium phosphate, CaHPO<sub>4</sub>) as well as other Ca-containing components, portlandite (Ca(OH)<sub>2</sub>) and parascholzite (CaZn<sub>2</sub>(PO<sub>4</sub>)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>).</p>