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The influence of chloride-ion concentration on the Pitting of steel in simulated concrete environment

✍ Scribed by Dr. E. A. Taqi; Dr. N. Hussain; M. Al. Ansari

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
329 KB
Volume
24
Category
Article
ISSN
0933-5137

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✦ Synopsis

Abstract

The influence of chloride‐ion concentration on the pitting behaviour of steel in saturated Ca(OH)~2~ solution was studied using the D.C. polarization technique. Results seem to indicate a threshold chloride level for the on‐set of severe pitting around 3000 ppm, the pitting potential E~p~ exhibits dramatic drop and large hysteresis loops develop. The results provide insight into the pitting performance of steel in concrete and highlight the poor repassivation of this metal/environment system.

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