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Time Dependent Leaching in Two-Phase Composite Glasses

Published online by Cambridge University Press:  25 February 2011

C. J. Montrose ,
Aaron Barkatt  and
P. B. Macedo
C. J. Montrose
Affiliation:
Vitreous State Laboratory, Catholic University of America Washington, DC 20064
Aaron Barkatt
Affiliation:
Vitreous State Laboratory, Catholic University of America Washington, DC 20064
P. B. Macedo
Affiliation:
Vitreous State Laboratory, Catholic University of America Washington, DC 20064
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Abstract

A model has been developed for the elemental leach rates as a function of time in the high-dilution limit for a two-phase composite glass material in which one phase exists as unconnected inclusions embedded within a major continuous phase. For those elements that are preferentially concentrated in this minor and presumed less durable phase, the leach rates are strongly time-dependent, decreasing significantly from the initial to the final steady-state value.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 26: Symposium D – Scientific Basis for Nuclear Waste Management VII , 1983 , 741
Copyright
Copyright © Materials Research Society 1984

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