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Nd- and Ce-doped ceramic-glass composites: chemical durability under aqueous conditions and Surface alteration in a moist clay medium at 90°C

Published online by Cambridge University Press:  21 March 2011

P.J. Mcglinn ,
T. Advocat ,
E. Loi ,
G. Leturcq  and
J.P. Mestre
P.J. Mcglinn
Affiliation:
ANSTO, New Illawarra Road, Menai, NSW, Australia 2234
T. Advocat
Affiliation:
CEA/SCD - Marcoule BP 171 30207 Bagnols/Céze
E. Loi
Affiliation:
ANSTO, New Illawarra Road, Menai, NSW, Australia 2234
G. Leturcq
Affiliation:
ANSTO, New Illawarra Road, Menai, NSW, Australia 2234
J.P. Mestre
Affiliation:
CEA/SCD - Marcoule BP 171 30207 Bagnols/Céze
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Abstract

Zirconolite-glass and sphene -glass specimens, doped with REE as simulants for trivalent actinides, were leached under two conditions. The first was a solubility test using a powdered sample in deionized water at an SA/V ratio of 200 cm−1, to examine the long-term leaching behavior of the composite materials. The other test was carried out in the presence of moist clay, to assess the degree of surface alteration of the composites in the presence of potential geological repository materials. Both tests were carried out at 90°C.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 663: Symposium – Scientific Basis for Nuclear Waste management XXIV , 2000 , 249
Copyright
Copyright © Materials Research Society 2001

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References

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