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The Effect of the Cement Paste-Steel Interfacial Zone on the Electrochemical Properties of Reinforcing Rods

Published online by Cambridge University Press:  21 February 2011

Chen Zhi Yuan  and
Wang Nian Zhi
Chen Zhi Yuan
Affiliation:
Tongji University, Department of Materials Science and Engineering, Shanghai, China
Wang Nian Zhi
Affiliation:
Tongji University, Department of Materials Science and Engineering, Shanghai, China
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Abstract

The interfacial zone between cement paste and embedded steel is a porous one, to which the rust can easily diffuse and where it can be deposited. Strengthening the zone makes the passive oxide film more complete, and harder to rupture; the rate of corrosion decreases, the initiation stage of pitting corrosion is delayed, the effect of self-catalysis is weakened, and the acceleration of corrosion is greatly decreased. Therefore, a strengthened interfacial zone can improve the anti-corrosion properties greatly, with less cost than other methods of inhibiting corrosion.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 114: Symposium R – Bonding in Cementitious Composites , 1987 , 277
Copyright
Copyright © Materials Research Society 1988

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References

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