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An Experimental Basis for a Mixed Potential Model for Nuclear Fuel Corrosion within a Failed Waste Container

Published online by Cambridge University Press:  17 March 2011

D.W. Shoesmith
Affiliation:
Department of Chemistry, University of Western OntarioLondon, ON Canada N6A 5B7
J.J. Noël
Affiliation:
Department of Chemistry, University of Western OntarioLondon, ON Canada N6A 5B7
F. Garisto
Affiliation:
Ontario Power Generation 700 University Avenue Toronto, ON Canada M5G 1X6
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Abstract

A mixed-potential model to predict the corrosion behaviour of nuclear fuel inside a failed carbon steel-lined copper waste container in a granitic repository is briefly described. A number of experiments underway to improve the mechanistic form of the model and to provide the necessary input data are discussed. A primary emphasis is placed on the consequences of the accumulation of corrosion product deposits on the fuel surface on the development of aggressive local chemistries, the cathodic reduction of H2O2 and potential for scavenging of H2O2 by the products of carbon steel corrosion (in particular H2).

Type
Research Article
Copyright
Copyright © Materials Research Society 2004

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