| 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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Visser, P.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2022Chromate-Free Corrosion Protection Strategies for Magnesium Alloys—A Review: Part II—PEO and Anodizingcitations
- 2022Chromate-Free Corrosion Protection Strategies for Magnesium Alloys—A Review: PART I—Pre-Treatment and Conversion Coatingcitations
- 2022Chromate-Free Corrosion Protection Strategies for Magnesium Alloys—A Review: Part III—Corrosion Inhibitors and Combining Them with Other Protection Strategiescitations
- 2021Editors' Choice - Dealloying-Driven Cerium Precipitation on Intermetallic Particles in Aerospace Aluminium Alloyscitations
- 2021Editors' Choice - Dealloying-Driven Cerium Precipitation on Intermetallic Particles in Aerospace Aluminium Alloyscitations
- 2021Nanoscopic and in-situ cross-sectional observations of Li-based conversion coating formation using liquid-phase TEMcitations
- 2021Nanoscopic and in-situ cross-sectional observations of Li-based conversion coating formation using liquid-phase TEMcitations
- 2021Hybrid sol-gel coatings applied on anodized AA2024-T3 for active corrosion protectioncitations
- 2021Hybrid sol-gel coatings applied on anodized AA2024-T3 for active corrosion protectioncitations
- 2021Laterally-resolved formation mechanism of a lithium-based conversion layer at the matrix and intermetallic particles in aerospace aluminium alloyscitations
- 2021Effect of cerium (IV) on thin sulfuric acid anodizing of 2024-T3 alloycitations
- 2020Dealloying-driven local corrosion by intermetallic constituent particles and dispersoids in aerospace aluminium alloyscitations
- 2020Dealloying-driven local corrosion by intermetallic constituent particles and dispersoids in aerospace aluminium alloyscitations
- 2020In-situ nanoscopic observations of dealloying-driven local corrosion from surface initiation to in-depth propagationcitations
- 2020In-situ nanoscopic observations of dealloying-driven local corrosion from surface initiation to in-depth propagationcitations
- 2020Cross-sectional characterization of the conversion layer formed on AA2024-T3 by a lithium-leaching coatingcitations
- 2020Cross-sectional characterization of the conversion layer formed on AA2024-T3 by a lithium-leaching coatingcitations
- 2019The chemical throwing power of lithium-based inhibitors from organic coatings on AA2024-T3citations
- 2019Active corrosion protection of aerospace aluminium alloys by lithium-leaching coatings
- 2018On the importance of irreversibility of corrosion inhibitors for active coating protection of AA2024-T3citations
- 2018The use of odd random phase electrochemical impedance spectroscopy to study lithium-based corrosion inhibition by active protective coatingscitations
- 2018The use of odd random phase electrochemical impedance spectroscopy to study lithium-based corrosion inhibition by active protective coatingscitations
- 2017Electrochemical evaluation of corrosion inhibiting layers formed in a defect from lithium-leaching organic coatingscitations
- 2016Lithium salts as leachable corrosion inhibitors and potential replacement for hexavalent chromium in organic coatings for the protection of aluminum alloyscitations
- 2015Protective film formation on AA2024-T3 aluminum alloy by leaching of lithium carbonate from an organic coatingcitations
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article
Cross-sectional characterization of the conversion layer formed on AA2024-T3 by a lithium-leaching coating
Abstract
<p>This work focuses on the cross-sectional characterization of the protective conversion layer formed on AA2024-T3 by lithium-leaching from a polyurethane coating in a corrosive environment. The layer shows a multi-layered arrangement comprising nanoscopic local phases. Transmission electron microscopy (TEM) and complementary high-resolution secondary ion mass spectroscopy (SIMS) were employed to observe the cross-sections of the entire layer formed at different locations of a 1-mm-wide scribe, in terms of morphology, structure and chemical composition. The conversion layer was comprised of two ubiquitous sublayers; a thin dense layer (i.e. 150 nm) adjacent the alloy substrate and a porous layer. The former represents an amorphous lithium-containing pseudoboehmite phase, Li-pseudoboehmite, whereas the latter is composed of amorphous and crystalline products; an outer columnar layer merely seen on the peripheral region is also crystalline. Through a sandwich structure and the d<sub>(003)</sub> basal spacing, the crystalline phases were identified as Li-Al layered double hydroxide. Although lithium was found uniformly spread within different regions, the local phases with no/low concentration of lithium were revealed with energy filtered TEM and confirmed with SIMS analysis.</p>