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Corrosion rates of steel embedded in cement pastes

✍ Scribed by H.T. Cao; L. Bucea; V. Sirivivatnanon

Publisher: Elsevier Science
Year: 1993
Tongue: English
Weight: 474 KB
Volume: 23
Category: Article
ISSN: 0008-8846
DOI: 10.1016/0008-8846(93)90065-h

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✦ Synopsis

Dynamic polarization techniques were used to estimate the corrosion rates of steel embedded in cement paste made with different binder systems. A corrosion model is proposed. The corrosion rates were determined by employing the Evans diagrams constructed from cathodic polarization curve of steel embedded in chloride free cement paste and anodic polarization curve of steel embedded in cement pastes containing chloride. Within the limitations of the adopted experimental conditions and sample configuration, the preliminary results indicate that corrosion rates of steel embedded in blended cement pastes generally fall within the range shown by steel embedded in portland cement pastes.

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