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The Influence of Environmental Conditions and Passive Film Properties on the MIC of Engineered Barriers in the Yucca Mountain Repository

Published online by Cambridge University Press:  17 March 2011

A.C. Lloyd ,
R.J. Schuler ,
J.J. Noël ,
D.W. Shoesmith  and
F. King
A.C. Lloyd
Affiliation:
Department of Chemistry, University of Western Ontario, London, Ontario, N6A 5B7, Canada
R.J. Schuler
Affiliation:
Department of Chemistry, University of Western Ontario, London, Ontario, N6A 5B7, Canada
J.J. Noël
Affiliation:
Department of Chemistry, University of Western Ontario, London, Ontario, N6A 5B7, Canada
D.W. Shoesmith
Affiliation:
Department of Chemistry, University of Western Ontario, London, Ontario, N6A 5B7, Canada
F. King
Affiliation:
Integrity Corrosion Consulting, Calgary, Alberta, T3B 3K8, Canada, fraser.king@shaw.ca
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Abstract

A combination of gamma radiation fields, the absence of moisture, and the high temperatures on the drip shield (DS) and waste package (WP) should combine to suspend microbial activity on the DS/WP surfaces for many tens of thousands of years. This lack of microbial activity, coupled with the corrosion resistance of the titanium Grade7 (Ti-7 drip shield) and the Alloy-22 (waste package) materials make microbially induced corrosion (MIC) of these engineered barrier materials extremely unlikely.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 824: Symposium CC – Scientific Basis for Nuclear Waste Management XXVIII , 2004 , CC1.9
Copyright
Copyright © Materials Research Society 2004

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