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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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Jones, Cp
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2022Examination of a Ferritic-Martensitic Steel following Irradiation and High Temperature Water Corrosion
- 2022Investigating the mechanical behaviour of Fukushima MCCI using synchrotron Xray tomography and digital volume correlationcitations
- 2021Investigating the microstructure and mechanical behaviour of simulant "lava-like" fuel containing materials from the Chernobyl reactor unit 4 meltdowncitations
- 2020Effect of crack-like defects on the fracture behaviour of Wire + Arc additively manufactured nickel-base Alloy 718citations
- 2016The crystallographic structure of the air-grown oxide on depleted uranium metalcitations
- 2015Structural deformation of metallic uranium surrounding hydride growth sitescitations
- 2015An investigation into heterogeneity in a single vein-type uranium ore depositcitations
- 2015The effects of metal surface geometry on the formation of uranium hydridecitations
- 2013A surface science study of the initial stages of hydrogen corrosion on uranium metal and the role played by grain microstructurecitations
- 2013Altering the hydriding behaviour of uranium metal by induced oxide penetration around carbo-nitride inclusionscitations
- 2011An improved method to identify grain boundary creep cavitation in 316H austenitic stainless steel
Places of action
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article
A surface science study of the initial stages of hydrogen corrosion on uranium metal and the role played by grain microstructure
Abstract
Controlled formation of UH3 on uranium metal surfaces was induced by a precisely limited uptake of hydrogen at 250 degrees C and 320 degrees C with 500 mbar H-2 pressure. The hydride (UH3) growth sites on the sample surfaces were studied using focused ion beam (FIB) milling with high resolution secondary electron imaging. Electron backscatter diffraction (EBSD) analysis was also used to examine grain orientation of the metal in the region of the corrosion sites. Results of the analysis indicated that the location of hydride sites was predominantly found to be associated with grain boundaries at the metal surface. In addition, FIB cross-sectioning of multiple hydride sites indicates the observed morphology of very small hydride growths to be consistent with nucleation at, and not beneath, the oxide-metal interface. Crown Copyright (c) 2013 Published by Elsevier B.V. All rights reserved.