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Porosity in oxides on zirconium fuel cladding alloys, and its importance in controlling oxidation rates

Abstract:
Much work has been carried out over the past 40 years on the oxidation of zirconium alloys used for nuclear fuel cladding, but there is no consensus as to the critical factors that control kinetics, even though this is vital for the design of materials for higher burn-up regimes. One unanswered question is the role of porosity in controlling oxidation. Here we show that the nature of the nanoscale porosity can be correlated to different stages of the oxidation process. © 2009 Acta Materialia Inc.

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Jenkins, ML More by this author
Smith, GDW More by this author
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Journal:
Scripta Materialia
Volume:
62
Issue:
8
Pages:
564-567
Publication date:
2010-04-05
DOI:
ISSN:
1359-6462
URN:
uuid:06efdfdc-f8fb-44fe-afdb-b897efb9377d
Source identifiers:
178926
Local pid:
pubs:178926

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