| 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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Refait, Philippe
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2022Influence of Organic Matter/Bacteria on the Formation and Transformation of Sulfate Green Rustcitations
- 2021Mechanisms of localized corrosion of carbon steel associated with magnetite/mackinawite layers in a cement groutcitations
- 2021Formation of iron sulfides on carbon steel in a specific cement grout designed for radioactive waste repository and associated corrosion mechanismscitations
- 2019Post-treatment Study of Iron/Sulfur-containing Compounds in the Wreck of Lyon Saint-Georges 4 (Second Century ACE)citations
- 2018Abiotically or microbially mediated transformations of magnetite by sulphide species: The unforeseen role of nitrate-reducing bacteriacitations
- 2016Localized corrosion of carbon steel in marine media: Galvanic coupling and heterogeneity of the corrosion product layercitations
- 2015Corrosion and cathodic protection of carbon steel in the tidal zone: Products, mechanisms and kineticscitations
- 2004Characterisation of calcareous deposits by electrochemical methods: role of sulphates, calcium concentration and temperaturecitations
Places of action
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article
Mechanisms of localized corrosion of carbon steel associated with magnetite/mackinawite layers in a cement grout
Abstract
<jats:title>Abstract</jats:title><jats:p>Carbon steel electrodes covered with a specific low‐pH cement grout (pH ~10.7 at 20°C), designed for nuclear waste management applications, were immersed for 30 days in a 0.01‐M NaCl + 0.01‐M NaHCO<jats:sub>3</jats:sub> solution (pH 7 measured at 20°C), in aerated conditions, at 80°C. The corrosion processes were studied by voltammetry and linear polarization resistance measurements while the corrosion product layers were analyzed by µ‐Raman spectroscopy and X‐ray diffraction. Most of the electrodes (75%) suffered from localized corrosion, a phenomenon associated with the formation of a heterogeneous Fe<jats:sub>3</jats:sub>O<jats:sub>4</jats:sub>/FeS layer. It is proposed that the mechanisms of the particular corrosion process observed here are associated with galvanic effects, the large magnetite‐covered zone acting as cathode and the locally mackinawite‐covered zones being anodic regions.</jats:p>