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Effect of Oxygen Transport and Resistivity of the Environment on the Corrosion of Steel

Published online by Cambridge University Press:  28 February 2011

E. Escalante ,
T. Oka  and
U. Bertocci
E. Escalante
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
T. Oka
Affiliation:
Nippon Steel Corporation, Tokyo, Japan
U. Bertocci
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
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Abstract

This study is directed at investigating the rate of corrosion and its spatial distribution that develop under conditions where transport of oxygen and conductivity of the environment are controlled over a wide range, including low conductivity as expected in the Yucca Mountain environment. The results indicate that the corrosion rate of steel is directly related to the rate of oxygen transport over several orders of magnitude, and increasing conductivity by one order of magnitude increases corrosion rate by a factor of two or three. Of greater significance is the result that indicates that as conductivity of the environment decreases, and corrosion rate decreases, the degree of localized attack increases.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 212: Symposium P – Scientific Basis for Nuclear Waste Management XIV , 1990 , 303
Copyright
Copyright © Materials Research Society 1991

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References

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