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Application of X-ray tomography for the verification of corrosion processes in chloride contaminated mortar

✍ Scribed by M. Beck; J. Goebbels; A. Burkert


Publisher
John Wiley and Sons
Year
2007
Tongue
German
Weight
200 KB
Volume
58
Category
Article
ISSN
0947-5117

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✦ Synopsis


Abstract

Within the scope of examinations at steel specimens embedded in chloride contaminated mortar for the first time X‐ray tomography was used to analyse the areas, damaged by chloride induced corrosion. Damaged areas with dimensions of a few μm could be detected. The results from the X‐ray tomography were verified by inspection of surfaces of the bars after removing the cover mortar.


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## Abstract Corrosion of steel reinforcement in concrete exposed to chloride containing environments is a serious problem in civil engineering practice. Electrochemical methods, e.g., potential mapping, provide information whether the steel reinforcement is still passive or depassivation has been i