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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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Skeldon, Peter
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (33/33 displayed)
- 2023Abrasion resistance of a Nb3Sn magnetron-sputtered coating on copper substrates for radio frequency superconducting cavitiescitations
- 2020Influence of plasma electrolytic oxidation on fatigue performance of AZ61 magnesium alloy ; Vliv plazmatického elektrolytického povlaku na únavovou odolnost hořčíkové slitiny AZ61citations
- 2019Incorporation of alloying elements into porous anodic films on aluminium alloys: the role of cell diametercitations
- 2018Effects of oxygen evolution on the voltage and film morphology during galvanostatic anodizing of AA 2024-T3 aluminium alloy in sulphuric acid at -2 and 24 °C.citations
- 2018Effect of anodizing conditions on the cell morphology of anodic films on AA2024-T3 alloycitations
- 2018Effect of fluorozirconic acid on anodizing of aluminium and AA 2024-T3 alloy in sulphuric and tartaric-sulphuric acidscitations
- 2018Anodic film growth and silver enrichment during anodizing of an Mg-0.6 at.% Ag alloy in fluoride-containing organic electrolytescitations
- 2017Anodizing of aluminium and AA 2024-T3 alloy in chromic acid: effects of sulphate on film growthcitations
- 2017Effects of fluoride ions in the growth of barrier-type films on aluminiumcitations
- 2017Gravimetric measurement of oxygen evolution during anodizing of aluminium alloyscitations
- 2016Film growth and alloy enrichment during anodizing AZ31 magnesium alloy in fluoride/glycerol electrolytes of a range of water contentscitations
- 20163D study of intermetallics and their effect on the corrosion morphology of rheocast aluminium alloycitations
- 2016Corrosion inhibition of pure aluminium and AA2014-T6 alloy by strontium chromate at low concentrationcitations
- 2016Effect of nickel and magnesium on the electrochemical behavior of aa 1050 alloys in nitric acid solutioncitations
- 2015Behavior of alloying elements during anodizing of Mg-Cu and Mg-W alloys in a fluoride/glycerol electrolytecitations
- 2015Microscopic study of the corrosion behaviour of mild steel in ionic liquids for CO2 capture applicationscitations
- 2015Trivalent Chromium Conversion Coating Formation on Aluminiumcitations
- 2015Surface modifications of stainless steel to minimise contamination in mass spectrometers
- 2014Corrosion behaviour of mild steel in 1-alkyl-3-methylimidazolium tricyanomethanide ionic liquids for CO2 capture applications
- 2014Development of Cerium-Rich Layers on Anodic Films Formed on Pure Aluminium and AA7075 T6 Alloycitations
- 2014Electrochemical characteristics of a carbon fibre composite and theassociated galvanic effects with aluminium alloys
- 2014Formation of barrier-type anodic films on ZE41 magnesium alloy in a fluoride/glycerol electrolytecitations
- 2013Revealing the three dimensional internal structure of aluminium alloyscitations
- 2013Investigation of dealloying by ultra-high-resolution nanotomography
- 2011Control of morphology and surface wettability of anodic niobium oxide microcones formed in hot phosphate-glycerol electrolytescitations
- 2010Detection of negative ions in glow discharge mass spectrometry for analysis of solid specimenscitations
- 2010In vitro evaluation of cell proliferation and collagen synthesis on titanium following plasma electrolytic oxidationcitations
- 2010Corrosion behaviour of mechanically polished AA7075-T6 aluminium alloycitations
- 2008Graded anodic film morphologies for sustainable exploitation of aluminium alloys in aerospace
- 2008Graded anodic film morphologies for sustainable exploitation of aluminium alloys in aerospace
- 2007Galvanic corrosion of aluminium-copper model alloyscitations
- 2007Electrochemical Behavior of Magnetron-Sputtered Al-Cu Alloy Films in Sulfate Solutionscitations
- 2006Morphology, composition and structure of anodic films on binary Al-Cu alloyscitations
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article
Effects of oxygen evolution on the voltage and film morphology during galvanostatic anodizing of AA 2024-T3 aluminium alloy in sulphuric acid at -2 and 24 °C.
Abstract
The effects of oxygen evolution on the voltage-time response and film morphology during galvanostatic anodizing of AA 2024-T3 alloy at 50 mA cm-2 in sulphuric acid have been investigated at -2 and 24 °C. The study employed interrupted anodizing experiments and real-time gravimetric measurements of the oxygen generated. The results showed that similar amounts of oxygen were evolved at the two temperatures, but with significantly different film morphologies and voltage responses. At -2 °C, a relatively large voltage increment accompanied the formation of linear cells in a relatively compact arrangement. The increment was mainly due to increase in the barrier layer thickness. In contrast, at 24 °C, the voltage increase was comparatively negligible and a sponge-like film morphology was generated that contained significant inter-cell porosity. It is proposed that the anodizing voltage and film morphology are dependent on the transport paths for oxygen gas escaping the film, in particular the relative proportions of gas escaping from the film via intra-cell and inter-cell porosity.