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Aqueous Corrosion of the French LWR Solution Reference Glass First Generation Model

Published online by Cambridge University Press:  28 February 2011

E. Mouche  and
Vernaz E.
E. Mouche
Affiliation:
Commissariat à l'Energie Atomique, DRDD/SESD, BP N°6, 92265 Fontenay aux Roses, France
Vernaz E.
Affiliation:
Commissariat à l'Energie Atomique, DRDD/SDHA, BP N°171, 30205 Bagnols sur Ceze cedex, France
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Abstract

Experiments have been performed on the aqueous dissolution of French LWR solution reference glass that have identified key dissolution mechanisms to be considered in modeling. The physical hypotheses on which the model relies are a dissolution rate governed by the silica concentration in solution according to a first order kinetic law, congruent release of the mobile elements at the gel-glass interface, and diffusion of silicic acid in the gel interstitial solution. A comparison of theoretical results obtained by a semi-analytical solution to the model and experimental results suggests some modifications to develop a more advanced model.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 112: Symposium P – Scientific Basis for Nuclear Waste Management XI , 1987 , 703
Copyright
Copyright © Materials Research Society 1988

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References

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