Thermogalvanic Currents in Steel Reinforced Concrete

[Display omitted] •Temperature gradients generate galvanic currents, due to changes in cement chemistry and passive layer.•30°C is the critical temperature for switching polarity of galvanic couples between steel rebars.•In NaOH solution carbon steel behaves cathodically with respect to stainless st...

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Bibliographic Details
Published in:Electrochimica acta 2016-06, Vol.202, p.269-276
Main Authors: Nóvoa, X.R., Pérez, C., Reyes, A., Soage, A., Vázquez, A.
Format: Article
Language:English
Subjects:
Anodic
Carbon
Carbon steels
corrosion in concrete
Electrodes
galvanic coupling
Reinforced concrete
Reinforcing steels
Segments
steel reinforcements
Steels
temperature gradients
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Summary:[Display omitted] •Temperature gradients generate galvanic currents, due to changes in cement chemistry and passive layer.•30°C is the critical temperature for switching polarity of galvanic couples between steel rebars.•In NaOH solution carbon steel behaves cathodically with respect to stainless steel for T
ISSN:0013-4686
1873-3859
DOI:10.1016/j.electacta.2015.11.138