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A Modeling Study of General Corrosion of Copper Overpack for Geological Isolation of High-Level Radioactive Waste

Published online by Cambridge University Press:  10 February 2011

A. Honda ,
N Taniguchi ,
H. Ishikawa  and
M. Kawasaki
A. Honda
Affiliation:
Japan Nuclear Cycle Development Institute, 4–33 Muramatsu, Tokai-mura, Naka-gun, Ibarakiken, 319–1194, Japan
N Taniguchi
Affiliation:
Japan Nuclear Cycle Development Institute, 4–33 Muramatsu, Tokai-mura, Naka-gun, Ibarakiken, 319–1194, Japan
H. Ishikawa
Affiliation:
Japan Nuclear Cycle Development Institute, 4–33 Muramatsu, Tokai-mura, Naka-gun, Ibarakiken, 319–1194, Japan
M. Kawasaki
Affiliation:
Inspection Development Company Ltd., 4–33 Muramatsu, Tokai-mura, Naka-gun, Ibarakiken, 319–1194, Japan.
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Abstract

This paper describes a modeling study for general corrosion of copper which is a candidate material for high-level radioactive waste overpacks. The model is a mixed-potential model combined with diffusive transport of reactants and reaction products. The rest potential and corrosion rate of copper in aerated solution were measured while controlling the thickness of a diffusive solution layer on the copper surface using a rotating-disk electrode. Experimental data were used for validation of the model.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 556: Symposium QQ – Scientific Basis for Nuclear Waste Management XXII , 1999 , 911
Copyright
Copyright © Materials Research Society 1999

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References

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