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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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Lu, Yu
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2022The influence of thermal oxidation on the microstructure, fatigue properties, tribological and in vitro behaviour of laser powder bed fusion manufactured Ti-34 Nb-13Ta-5Zr-0.2O alloycitations
- 2022Nucleation and growth of molybdenum disulfide grown by thermal atomic layer deposition on metal oxidescitations
- 2019Modelling of the heat-affected and thermomechanically affected zones in a Ti-6Al-4V inertia friction weldcitations
- 2014La2Ti2O7 perovskite compound: from thin film deposition to notch antenna miniaturization
- 2014Miniaturized notch antenna based on lanthanum titanium perovskite oxide thin filmscitations
- 2014Miniaturized notch antenna based on lanthanum titanium perovskite oxide thin filmscitations
- 2014Lanthanum titanium perovskite compound: Thin film deposition and high frequency dielectric characterizationcitations
- 2014Lanthanum titanium perovskite compound: Thin film deposition and high frequency dielectric characterizationcitations
- 2014Functional dielectric oxide and oxynitride perovskite thin films deposited by reactive magnetron sputtering
- 2013Reactive Sputtering Deposition of Perovskite Oxide and Oxynitride Lanthanum Titanium Films: Structural and Dielectric Characterizationcitations
- 2013Influence of the sputtering reactive gas on the oxide and oxynitride LaTiON deposition by RF magnetron sputteringcitations
- 2013Influence of the sputtering reactive gas on the oxide and oxynitride LaTiON deposition by RF magnetron sputteringcitations
- 2013A new lanthanum titanium oxide perovskite compound: thin film deposition and dielectric characterization.
- 2013Functional dielectric oxide and oxynitride compounds in the perovskite La-Ti-O-N system: from thin film sputtering deposition to dielectric characterization
- 2012Processing, crystallization behavior and dielectric performance of perovskite LaTiO x N y thin films
- 2011Perovskite oxynitride LaTiOxNy thin films : Dielectric characterization in low and high frequenciescitations
- 2011Perovskite oxynitride LaTiOxNy thin films : Dielectric characterization in low and high frequenciescitations
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article
The influence of thermal oxidation on the microstructure, fatigue properties, tribological and in vitro behaviour of laser powder bed fusion manufactured Ti-34 Nb-13Ta-5Zr-0.2O alloy
Abstract
<p>This study innovatively investigates the feasibility of thermal oxidation (TO) for improving the wear and fatigue properties of TNT5Zr-0.2O alloys manufactured by laser powder bed fusion (LPBF). Static chemical etching (CE) as a pre-treatment for TO successfully removed the LPBF induced surface adhered powders. A mixture of rutile, Nb<sub>2</sub>O<sub>5</sub>, Ta<sub>2</sub>O<sub>5</sub>, and ZrO phases were formed as an oxide layer after TO. It can be found a better wear resistance was retained in this β-titanium alloy after TO, as demonstrated by the wear scar features with ploughing grooves changing into brittle peeling of oxides. Plain fatigue strength of CE treated alloy (150 MPa) was 1.5 times higher than the value of CE+TO treated alloy (60 MPa), as a result of multiple premature fatigue cracks possibly developing in the compounds region after TO. <i>In vitro</i> biocompatibility results showed no significant differences in metabolic activity of pre-osteoblasts seeded on the treated surfaces. In addition, early and late mineralisation assays revealed similar levels of 14-day ALP activity, and 28-day mineral deposits formed on the two biocompatible TNT5Zr-0.2O alloy surfaces. Overall, though the oxide layer is corrosion-resistant in the aggressive environment (3 M HCl solution), showing a potential application of TO in additively manufactured titanium medical devices. However, TO should be cautiously exploited due to the deterioration of mechanical properties.</p>