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Corrosion of Candidate Iron-Base Waste Package Structural Barrier Materials in Moist Salt Environments

Published online by Cambridge University Press:  26 February 2011

R. E. Westerman  and
S. G. Pitman
R. E. Westerman
Affiliation:
Pacific Northwest Laboratory Battelle Boulevard, Richland, Washington 99352
S. G. Pitman
Affiliation:
Pacific Northwest Laboratory Battelle Boulevard, Richland, Washington 99352
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Abstract

Mild steels are considered to be strong candidates for waste package structural barrier (e.g., overpack) applications in salt repositories. Corrosion rates of these materials determined in autoclave tests utilizing a simulated intrusion brine based on Permian Basin core samples are low, generally μm (1 mil) per year. When the steels are exposed to moist salts containing simulated inclusion brines, the corrosion rates are found to increase significantly. The magnesium in the inclusion brine component of the environment is believed to be responsible for the increased corrosion rates.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 44: Symposium N – Scientific Basis for Nuclear Waste Management VIII , 1984 , 279
Copyright
Copyright © Materials Research Society 1985

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References

1. Westerman, R. E., Nelson, J. L., Pitman, S. G., Kuhn, W. L., Basham, S. J., and Moak, D. P., “Evaluation of Iron-Base Materials for Waste Package Containers in a Salt Repository,”; International Symposium on the Scientific Basis for Nuclear Waste Management VII, November 1983, Boston, Massachusetts; Materials Research Society Symposia Proceedings, Volume 26, pp. 427–436.Google Scholar