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Role of ion exchange in the corrosion of nuclear waste glasses

Published online by Cambridge University Press:  21 March 2011

M.I. Ojovan ,
W.E. Lee  and
R.J. Hand
M.I. Ojovan
Affiliation:
Immobilisation Science Laboratory, Department of Engineering Materials, University of Sheffield, United Kingdom
W.E. Lee
Affiliation:
Immobilisation Science Laboratory, Department of Engineering Materials, University of Sheffield, United Kingdom
R.J. Hand
Affiliation:
Immobilisation Science Laboratory, Department of Engineering Materials, University of Sheffield, United Kingdom
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Abstract

The ion exchange phase of corrosion of nuclear waste glasses was modelled using Doremus' theory of interdiffusion and numerically analysed for British Magnox waste and Russian K-26 glasses. It is shown that even in non-silica -saturated conditions the ion exchange phase plays a significant role in the overall radionuclide release inventory particularly for short-lived radionuclides.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 932: Symposium – Scientific Basis for Nuclear Waste Management XXIX , 2006 , 128.1
Copyright
Copyright © Materials Research Society 2006

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