Observation of the δ to ε Zr-hydride transition by in-situ synchrotron X-ray diffraction
Article dans une revue avec comité de lecture
Résumé
We investigate the formation and dissolution of hydrides in commercially pure zirconium powder in-situ using high-energy synchrotron X-ray radiation. Experimental results showed a continuous phase transition between the δ and ε zirconium hydride phases with indication of a second order phase transformation.
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Article dans une revue avec comité de lectureMAIMAITIYILI, Tuerdi; BLOMQVIST, Jakob; STEUWER, Axel; BJERKEN, Christina; ZANELLATO, Olivier; BLACKMUR, Matthew S; ANDRIEUX, Jérôme; RIBEIRO, Fabienne (International Union of Crystallography, 2015)For the first time, various hydride phases in a zirconium-hydrogen system have been prepared in a high-energy synchrotron X-ray radiation beamline and their transformation behaviour has been studied in situ. First, the ...
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Article dans une revue avec comité de lectureBJERKEN, Christina; STEUWER, Axel; WANG, Z; DANIELS, J; ANDRIEUX, Jérôme; BLOMQVIST, Jakob; ZANELLATO, Olivier; MAIMAITIYILI, Tuerdi (Elsevier, 2017)We report on the measurement of the formation of γ-ZrH during in situ gaseous charging. The measurements were undertaken using high-energy synchrotron X-ray diffraction. Experimental observation shows that γ-ZrH can form ...
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Article dans une revue avec comité de lectureMAIMAITIYILI, Tuerdi; BJERKEN, Christina; BLOMQVIST, Jakob; HOELZEL, M; ION, J.C; ZANELLATO, Olivier; STEUWER, Axel (Elsevier, 2017)Deuteride phases in the zirconium-deuterium system in the temperature range 25–286 °C have been studied in-situ by high resolution neutron diffraction. The study primarily focused on observations of δ→γ transformation at ...
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Zirconium hydride precipitation kinetics in Zircaloy-4 observed with synchrotron X-ray diffraction Article dans une revue avec comité de lectureBLACKMUR, Matthew S; ROBSON, J.D; PREUSS, M; ZANELLATO, Olivier; CERNIK, R.J.; SHI, S.-Q.; RIBEIRO, Fabienne; ANDRIEUX, Jérôme (Elsevier, 2015)High-energy synchrotron X-ray diffraction was used to investigate the isothermal precipitation of δ-hydride platelets in Zircaloy-4 at a range of temperatures relevant to reactor conditions, during both normal operation ...
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Article dans une revue avec comité de lecturePREUSS, Michael; ROBSON, Joseph D; ZANELLATO, Olivier; CERNIK, Robert J; RIBEIRO, Fabienne; ANDRIEUX, Jérôme (Elsevier, 2016)Synchrotron X-ray diffraction was used to evaluate strain evolution observed in Zircaloy-4 undergoing hydride precipitation during a range of thermal operations. During continuous heating, a change in the constraining ...