In situ hydrogen loading on zirconium powder
TypeArticles dans des revues avec comité de lecture
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 formation and dissolution of hydrides in commercially pure zirconium powder were monitored in real time during hydrogenation and dehydrogenation, then whole pattern crystal structure analysis such as Rietveld and Pawley refinements were performed. All commonly reported low-pressure phases presented in the Zr-H phase diagram are obtained from a single experimental arrangement.
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MAIMAITIYILI, T.; STEUWER, Axel; BLOMQVIST, Jakob; BJERKÉN, Christina; BLACKMUR, Matthew S.; ZANELLATO, Olivier; ANDRIEUX, Jérôme; RIBEIRO, Fabienne (Wiley-VCH Verlag, 2016)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 ...
MAIMAITIYILIT, Tuerdi; BJERKEN, Christina; STEUWER, Axel; WANG, Z; DANIELS, J; ANDRIEUX, Jérôme; BLOMQVIST, Jakob; ZANELLATO, Olivier (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 ...
MAIMAITIYILI, 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 ...
Zirconium hydride precipitation kinetics in Zircaloy-4 observed with synchrotron X-ray diffraction BLACKMUR, 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 ...
Strain evolution during hydride precipitation in Zircaloy-4 observed with synchrotron X-ray diffraction PREUSS, 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 ...