Structure of the Zirconium Hydride Polymorphs Determined by Neutron and Synchrotron X-ray Powder Diffraction

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Structure of the Zirconium Hydride Polymorphs Determined by Neutron and Synchrotron X-ray Powder Diffraction

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Publication Conference Poster
Title Structure of the Zirconium Hydride Polymorphs Determined by Neutron and Synchrotron X-ray Powder Diffraction
Author(s) Steuwer, Axel ; Blomqvist, Jakob ; Maimaitiyili, Tuerdi ; Zanellato, Olivier ; Curfs, Caroline ; du Plessis, H.E ; Bjerkén, Christina
Date 2011
English abstract
Zirconium alloys, widely used in the nuclear industry, Fig 1, have a strong affinity for hydrogen that leads to hydrogen pick up during a corrosion reaction when exposed to water. The hydrogen is readily in solution at higher temperature but precipitates as Zirconium hydrides at ambient temperatures. At least three phases are presumed to exist at ambient temperature depending on hydrogen concentration and quenching rate. However, some controversy exist regarding the exact nature, exact structure and stability of the γ-ZrH phase, which is closely related to the δ-ZrH phase through ordering of the hydrogen on tetrahedral sites on alternating 110 planes.
Publisher IOP
Language eng (iso)
Subject(s) Zirconium hydride
Neutron Scattering
X-ray diffraction
Technology
Research Subject Categories::NATURAL SCIENCES
Research Subject Categories::TECHNOLOGY
Note European Conference on Neutron Scattering, Prag, Tjeckien, 17-22 juli,... (see Details for more)
Handle http://hdl.handle.net/2043/12551 Permalink to this page
Link http://ecns2011.org/joomla_15/ (external link to related web page)

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