Effect of Organic Inhibitors on Chloride Corrosion of Steel Rebars in Alkaline Pore Solution
Joint Authors
Cabrini, Marina
Fontana, Francesca
Lorenzi, Sergio
Pastore, Tommaso
Pellegrini, Simone
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-02-26
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
The inhibition properties of aspartic and lactic acid salts are compared with nitrite ions with regard to their effect on critical chloride concentration.
The tests were carried out on carbon steel specimens in simulated pore solutions with initial pH in the range of 12.6 to 13.8.
The critical chloride concentrations were estimated through multiple specimen potentiostatic tests at potentials in the usual range for passive rebar in noncarbonated concrete structures.
During tests, chloride ions were progressively added until all specimens showed localized attack, obtaining cumulative distribution curves reporting the fraction of corroded specimens as a function of chloride concentration.
The presence of the organic inhibitors on the passivity film was detected by IR spectra.
The results confirm that 0.1 M aspartate exhibits an inhibiting effect comparable with nitrite ions of the same concentration.
Calcium lactate does not increase critical chloride concentration; however it appears to promote the formation of a massive scale, reducing the corrosion propagation.
American Psychological Association (APA)
Cabrini, Marina& Fontana, Francesca& Lorenzi, Sergio& Pastore, Tommaso& Pellegrini, Simone. 2015. Effect of Organic Inhibitors on Chloride Corrosion of Steel Rebars in Alkaline Pore Solution. Journal of Chemistry،Vol. 2015, no. 2015, pp.1-10.
https://search.emarefa.net/detail/BIM-1067497
Modern Language Association (MLA)
Cabrini, Marina…[et al.]. Effect of Organic Inhibitors on Chloride Corrosion of Steel Rebars in Alkaline Pore Solution. Journal of Chemistry No. 2015 (2015), pp.1-10.
https://search.emarefa.net/detail/BIM-1067497
American Medical Association (AMA)
Cabrini, Marina& Fontana, Francesca& Lorenzi, Sergio& Pastore, Tommaso& Pellegrini, Simone. Effect of Organic Inhibitors on Chloride Corrosion of Steel Rebars in Alkaline Pore Solution. Journal of Chemistry. 2015. Vol. 2015, no. 2015, pp.1-10.
https://search.emarefa.net/detail/BIM-1067497
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1067497