| People | Locations | Statistics |
|---|---|---|
| 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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Bérerd, Nicolas
Claude Bernard University Lyon 1
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2023Experimental approach of evolution of nuclear materials under extreme conditions (temperature, irradiation and radiolysis)
- 2012Modifications of oxidized Zircaloy-4 surface in contact with radiolysed wet aircitations
- 2008Comparison of wet air and water radiolysis effects on oxidized Zircaloy corrosion
- 2007Use of the point defect model to interpret the iron oxidation kinetics under proton irradiationcitations
- 2007Origin of the hydrogen involved in iron corrosion under irradiationcitations
Places of action
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conferencepaper
Comparison of wet air and water radiolysis effects on oxidized Zircaloy corrosion
Abstract
International audience ; After spent nuclear fuel processing, the Zircaloy-4 cladding tubes are compacted in a wafer form, placed into a steel container, and then into a concrete over-pack with a view to being disposed of in geological repository. These wastes are mostly composed of activated oxidized metal pieces which also contain traces of fission, activation products and actinides. In the repository, they are exposed to radioactivity in presence of resaturation water. The water radiolysis may accelerate the oxidised metal corrosion processes. By the way, the wastes degradation is mainly due to corrosion process. A fundamental study has thus been defined on the effects of vapour and liquid water radiolysis on Zircaloy-4 corrosion. Various water vapour pressures have been studied with proton irradiation and an aqueous solution simulating resaturated waste water was used with gamma irradiation. The results obtained on samples irradiated or not have been compared to determine the effect of water radiolysis on the stability of the oxide layer.