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The Corrosion of Steel and Zirconium in Anaerobic Concrete

Published online by Cambridge University Press:  28 February 2011

Carolyn M. Hansson
Carolyn M. Hansson*
Affiliation:
The Danish Corrosion Centre DK-2600 Glostrup, Denmark
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Abstract

An experimental investigation has been made of the corrosion behaviour of steel and Zircalloy 2 in deaerated synthetic pore solution and of steel in deaerated mortar. Zircalloy 2 was found to be passivated at all values of pH and electrochemical potentials investigated. Its passive corrosion rate was of the order of <0.01 μm/year. The steel exhibited active corrosion rates of a few μm/year with hydrogen evolution as the corresponding cathodic reaction. The measured free potentials indicated, however, that the hydrogen partial pressures were less than 1 atm.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 50: Symposium STOCKHOLM – Scientific Basis for Nuclear Waste Management IX , 1985 , 475
Copyright
Copyright © Materials Research Society 1985

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