| People | Locations | Statistics |
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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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Gonzalez-Garcia, Yaiza
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2024Review of the state of art of Li-based inhibitors and coating technology for the corrosion protection of aluminium alloyscitations
- 2024Albumin Protein Impact on Early-Stage In Vitro Biodegradation of Magnesium Alloy (WE43)citations
- 2024Spatiotemporally resolved corrosion protection of AA2024-T3 by a lithium-based conversion layercitations
- 2024Effects of grain boundary chemistry and precipitate structure on intergranular corrosion in Al-Mg-Si alloys doped with Cu and Zncitations
- 2023Corrosion and passive film characteristics of 3D-printed NiTi shape memory alloys in artificial salivacitations
- 2023Local scanning electrochemical microscopy analysis of a lithium-based conversion layer on AA2024-T3 at progressive stages of formationcitations
- 2023Passive film formation and corrosion resistance of laser-powder bed fusion fabricated NiTi shape memory alloyscitations
- 2023Challenges and Strategies for Optimizing Corrosion and Biodegradation Stability of Biomedical Micro‐ and Nanoswimmers: A Reviewcitations
- 2022Evaluation of the formation and protectiveness of a lithium-based conversion layer using electrochemical noisecitations
- 2022Localised aqueous corrosion of electroless nickel immersion gold-coated coppercitations
- 2022Passive Film Properties of Martensitic Steels in Alkaline Environment: Influence of the Prior Austenite Grain Sizecitations
- 2022Corrosion and Microstructural Investigation on Additively Manufactured 316L Stainless Steel: Experimental and Statistical Approachcitations
- 2021Editors' Choice - Dealloying-Driven Cerium Precipitation on Intermetallic Particles in Aerospace Aluminium Alloyscitations
- 2020Effect of surface roughness and chemistry on the adhesion and durability of a steel-epoxy adhesive interfacecitations
- 2019Self-healing epoxy nanocomposite coatings based on dual-encapsulation of nano-carbon hollow spheres with film-forming resin and curing agentcitations
- 2018Properties and performance of spin-on-glass coatings for the corrosion protection of stainless steels in chloride media
- 2018Additively manufactured biodegradable porous ironcitations
- 2017Use of local electrochemical methods (SECM, EC-STM) and AFM to differentiate microstructural effects (EBSD) on very pure coppercitations
- 2017Electrochemical evaluation of corrosion inhibiting layers formed in a defect from lithium-leaching organic coatingscitations
- 2017Corrosion Resistance of AISI 316L Coated with an Air-Cured Hydrogen Silsesquioxane Based Spin-On-Glass Enamel in Chloride Environmentcitations
- 2016Micro-biologically induced steel corrosion and corrosion control in simulated marine environment
- 2016Active and passive protection of AA2024-T3 by a hybrid inhibitor doped mesoporous sol-gel and top coating systemcitations
- 2015Active and passive corrosion protection of AA2024-T3 by an hybrid inhibitor doped mesoporous sol-gel and top coating system
- 2015Active and passive corrosion protection of AA2024-T3 by an hybrid inhibitor doped mesoporous sol-gel and top coating system
- 2015On the application of scanning microelectrochemical techniques to study the active protection offered by inhibitor loaded mesoporous sol-gel films
- 2015Active corrosion protection of AA2024-T3 by an hybrid inhibitor doped mesoporous sol-gel and top coating system
- 2011A combined mechanical, microscopic and local electrochemical evaluation of self-healing properties of shape-memory polyurethane coatings (available online)
Places of action
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article
Active and passive protection of AA2024-T3 by a hybrid inhibitor doped mesoporous sol-gel and top coating system
Abstract
In the present investigation, a two-layer coating system was developed in order to protect 2024 aluminium alloy against corrosion. At the metal interface, a silica mesoporous thin film was used to offer storage and release functionalities for benzotriazole inhibitive molecules (active protection). An acrylic top coat was then applied as a barrier layer against corrosive species (passive protection). Various electrochemical techniques were employed to evaluate the anticorrosion performance of the coating system. Amongst them, the scanning vibrating electrode technique (SVET) and the scanning electrochemical microscopy (SECM) showed a slowdown of corrosion processes occurring within the damaged coating area. The acquisition of anodic polarization curves inside the scratch through the use of an electrochemical micro-cell allowed to correlate this enhancement in the corrosion protection with the formation of an inhibitive film. Upon a through-coating damage, the mesoporous reservoir comes into contact with the aggressive electrolyte and benzotriazole molecules are able to be released and to inhibit corrosion of the bare metal exposed in the scratch. The work demonstrates the potential of mesoporous films as reservoir for inhibitive species and its efficiency for controlled release of the inhibitor. Furthermore, the work demonstrates the added value of electrochemical micro-cell measurements to highlight active corrosion protection in coating defects due to inhibitor doped coating systems.