Influence of Fe-Zn intermetallic layer on corrosion behaviour of galvanized concrete reinforcement

Pokorný, P.

doi:10.1515/kom-2016-0015

Abstract

The article summarizes state of the art of the influence of external layer of Fe-Zn intermetallics on corrosion behaviour of galvanized steel in a fresh, hardened and chloride contaminated concrete. Current point of view on formation, composition and crystallography of particular intermetallic Fe-Zn phases, that are present in hot dip galvanized coating. External factors as alloying elements are involved as well. A corrosion resistance of these intermetallic layers (especially ζ-FeZn₁₃) during exposure in concrete is evaluated finally.

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Influence of Fe-Zn intermetallic layer on corrosion behaviour of galvanized concrete reinforcement

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