Crystal Structure of the ZrO Phase at Zirconium/Zirconium Oxide Interfaces

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Title: Crystal Structure of the ZrO Phase at Zirconium/Zirconium Oxide Interfaces
Authors: Nicholls, RJ
Ni, N
Lozano-Perez, S
London, A
McComb, DW
Nellist, PD
Grovenor, CRM
Pickard, CJ
Yates, JR
Item Type: Journal Article
Abstract: Zirconium-based alloys are used in water-cooled nuclear reactors for both nuclear fuel cladding and structural components. Under this harsh environment, the main factor limiting the service life of zirconium cladding, and hence fuel burn-up efficiency, is water corrosion. This oxidation process has recently been linked to the presence of a sub-oxide phase with well-defined composition but unknown structure at the metal–oxide interface. In this paper, the combination of first-principles materials modeling and high-resolution electron microscopy is used to identify the structure of this sub-oxide phase, bringing us a step closer to developing strategies to mitigate aqueous oxidation in Zr alloys and prolong the operational lifetime of commercial fuel cladding alloys.
Issue Date: 27-Jun-2014
Date of Acceptance: 29-May-2014
URI: http://hdl.handle.net/10044/1/40605
DOI: http://dx.doi.org/10.1002/adem.201400133
ISSN: 1527-2648
Publisher: Wiley-VCH Verlag
Start Page: 211
End Page: 215
Journal / Book Title: Advanced Engineering Materials
Volume: 17
Issue: 2
Copyright Statement: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Keywords: Science & Technology
Technology
Materials Science, Multidisciplinary
Materials Science
ALLOYS
CORROSION
ZIRCALOY
Materials
0912 Materials Engineering
Publication Status: Published
Appears in Collections:Faculty of Engineering
Materials
Faculty of Natural Sciences



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