Corrosion of galvanized reinforcements in concrete is controlled by three factors: the type of the cement, the type of metallographic structure and the humidity of conservation of the concrete. The behaviour of three different types of galvanized coating embedded in mortars made with three different Portland cements: low, medium and high alkali content, was studied. The corrosion rate was measured by means of the linear polarization (Polarization Resistance) technique. The results show that the thicker the pure zinc layer is, the greater the resistance against the corrosion of the chlorides.

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Published on 01/01/1984

Licence: CC BY-NC-SA license

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