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Cemical Durability of a Multicomponent Glass in a Simulated Carnallite/Rock Salt Environment

Published online by Cambridge University Press:  25 February 2011

R. Conradt ,
H. Roggendorf  and
H. Scholze
R. Conradt
Affiliation:
Fraunhofer-Institut für Silicatforschung, Würzburg, Germany
H. Roggendorf
Affiliation:
Fraunhofer-Institut für Silicatforschung, Würzburg, Germany
H. Scholze
Affiliation:
Fraunhofer-Institut für Silicatforschung, Würzburg, Germany
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Extract

The long term corrosion behaviour of the German HLW glass SM 58 LW 11, doped with 11 vt.% of inactive waste, was investigated in a simulated carnallite/rock salt environment. The experimental conditions were defined with respect to a hypothetical water entrance to a rock salt repository, i.e. temperatures up to 200°C and a pressure of 130 bar were applied; a specific brine from the quinary system MgCl2-MgSO4-NaCl-KCI-H2O (the so-called Q-brine [1] served as leachant. The effects of the corrosion were determined by weight loss measurements, by analyses of the leachates, and by the application of surface analytical techniques.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 26: Symposium D – Scientific Basis for Nuclear Waste Management VII , 1983 , 9
Copyright
Copyright © Materials Research Society 1984

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References

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