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|Title: ||Monitoring the passivity of steel subject to galvanic protection|
|Authors: ||Holmes, S.P.|
Glass, Gareth K.
|Issue Date: ||2013|
|Publisher: ||Australasian Corrosion Association Inc.|
|Citation: ||CHRISTODOULOU, C., HOLMES, S.P. and GLASS, G.K, 2013. Monitoring the passivity of steel subject to galvanic protection. Corrosion & Prevention 2013, Australasian Corrosion Association, Brisbane, Australia, 10th-13th November 2013, paper 133, 7pp.|
|Abstract: ||This work investigates the assessment of the passivity of steel in concrete subject to galvanic protection. Under atmospherically exposed conditions the kinetics of the cathodic reaction often exhibit activation controlled behaviour. It is shown that in these conditions the corrosion rates estimated from a large negative potential shift are very similar to those determined using the more widely accepted polarisation resistance method. The results are considered in the light of the potential decay cathodic protection criterion, and show how criteria based on potential shift may be improved to monitor steel passivity induced in a galvanic cathodic protection system. This provides the basis for an improved reinforced concrete acceptance criterion that is focussed on the condition of the structure and is included within the ISO standard cathodic protection when applied to galvanic systems.|
|Description: ||This is a conference paper.|
|Publisher Link: ||http://www.acaconference.com.au/home|
|Appears in Collections:||Conference Papers (Architecture, Building and Civil Engineering)|
Conference Papers (CICE)
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