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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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Ares, Alicia Esther
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2022Electrochemical Properties of Diluted Al-Mg Alloys With Columnar-To-Equiaxed Transitioncitations
- 2015Fabrication of TiO2 Crystalline Coatings by Combining Ti-6Al-4V Anodic Oxidation and Heat Treatmentscitations
- 2015Anodic Stress Corrosion Cracking Suspectibility of Nickel and Nickel-Chromium Alloys Containing Molybdenum and Iron in Bicarbonate Plus Chloride Solutions at 90°Ccitations
- 2015Wear resistance of anodic titanium dioxide films produced on Ti-6Al-4V alloycitations
- 2015Electrochemical properties OF Al-Cu alloys in NaCl solutions
- 2015Fabrication of TiO2 crystalline coatings by combining Ti-6Al-4V anodic oxidation and heat treatmentscitations
- 2015Interphase evolution and defect formation during horizontally directional solidification process of Sn-Zn alloys
- 2015Nucleation and growth in the equiaxed zone of metal matrix composites
- 2015Columnar-to-equiaxed transition in Zn-27wt.%Al alloys: A comparation between vertical and horizontal directional solidifications
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article
Wear resistance of anodic titanium dioxide films produced on Ti-6Al-4V alloy
Abstract
Ti-6Al-4V alloy with TiO2 coating is the most commonly selected material to construct an aortic heart valve. Wear resistance is the main mechanical property to be evaluated for this purpose. In this paper, the wear resistance of TiO2 thin films obtained by anodic oxidation of Ti-6Al-4V is evaluated. Anodic oxidation was performed at 20 V to 70 V with a H2SO4 1 M electrolyte. The samples were thermally treated at 500°C for 1 h, and crystalline phases of TiO2 were obtained. The wear was performed in a ball-on-flat reciprocating machine with a range of loads from 1 gf to 4 gf and times between 60 s and 1200 s, using a diamond sphere as counterface. The counterface oscillates at 0.5 Hz and 4 mm in amplitude. The wear is measured using a profilometer and is calculated as the worn volume. The wear resistance of the coated samples is larger than the substrate, and increases with thickness and with crystalline coating. © 2015 The Author(s).