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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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Ryan, Mp
Engineering and Physical Sciences Research Council
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2023Effect of alloying on the microstructure, phase stability, hardness, and partitioning behavior of a new dual-superlattice nickel-based superalloycitations
- 2023The impact of trisodium phosphate on chloride-driven under deposit corrosion in steam generators
- 2022A review on atom probe and correlative microscopy studies of corrosion in nickel-based superalloyscitations
- 2019Supported transition metal phosphides: Activity survey for HER, ORR, OER and corrosion resistance in acid and alkaline electrolytescitations
- 2018The effects of Cr/Mo micro-alloying on the corrosion behavior of carbon steel in CO2-saturated (sweet) brine under hydrodynamic controlcitations
- 2017Silver Nanowire Particle Reactivity with Human Monocyte-Derived Macrophage Cells: Intracellular Availability of Silver Governs Their Cytotoxicitycitations
- 2017Scalable high-affinity stabilization of magnetic iron oxide nanostructures by a biocompatible antifouling homopolymercitations
- 2001In situ synchrotron X-ray microprobe studies of passivation thresholds in Fe-Cr alloyscitations
Places of action
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article
In situ synchrotron X-ray microprobe studies of passivation thresholds in Fe-Cr alloys
Abstract
The dissolution of metal during the passivation of Fe-Cr alloys has been studied in situ as a function of alloy composition in order to investigate the critical Cr content required for corrosion protection. This is achieved using synchrotron X-ray fluorescence microprobe analysis on a sputter-deposited Fe-Cr thin film with a continuous lateral variation in composition. The technique can resolve the dissolution of less than one layer of atoms during electrochemical treatment of the graded alloy surface. The results show that there is a sharp change in behavior in the region of 17-18% Cr. Above 18% Cr, almost no metal dissolution occurs during passive film development, while below this composition there is continual dissolution. This result is consistent with the gelation model of passivation that uses an approach based on percolation theory. (C) 2001 The Electrochemical Society.