Improved EIS Analysis of the Electrochemical Behaviour of Carbon Steel in Alkaline Solution

Chakri, Sara; Frateur, Isabelle; Orazem, Mark E.; Sutter, Éliane; Tran, Mai T.T.; Tribollet, Bernard; Vivier, Vincent

doi:10.1016/j.electacta.2017.06.096

Cited by 68 publications

(20 citation statements)

References 21 publications

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“…EIS is a powerful technique for mechanistic investigations as it can be used to determine several parameters, such as the bulk concrete properties at high frequencies [390][391][392], the mass-transfer phenomena and diffusion coefficients [393][394][395], or the properties of the passive film on the steel surface at low frequencies [90]. In alkaline solutions, it was shown that EIS measurements can provide insight into the mechanism of the cathodic reduction at the oxide layer of carbon steel, allowing characterization of the oxide film [396]. The proposed methodology includes the use of a power-law distribution and a complex capacitance representation of the data when using a CPE for describing the film impedance [396].…”

Section: Measurement In Three-electrode Configurationmentioning

confidence: 99%

Reinforced concrete structures: A review of corrosion mechanisms and advances in electrical methods for corrosion monitoring

Rodrigues

Gaboreau

Gance

et al. 2021

Construction and Building Materials

207

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Steel corrosion is the main cause of deterioration of reinforced concrete (RC) structures. We provide an up-to-date review on corrosion mechanisms and recent advances in electrical methods for corrosion monitoring. When assessing corrosion mechanism, the inherent heterogeneity of RC structures and the significant effect of environmental factors remain major issues in data interpretations. The steel surface condition and local inhomogeneities at the steel-concrete interface appear to have an important effect on corrosion initiation. Considering uniform corrosion in atmospherically exposed reinforced concrete, the two main influencing factors of the corrosion process are the water content and the pore structure at the steel-concrete interface. However, irrespective of the depassivation mechanism, i.e. carbonation or chloride-induced corrosion, nonuniform corrosion is expected to be the main process for RC structures due to local variations in environmental exposure or the presence of interconnected rebars with different properties. Future studies may then be focused on their effect on macrocell corrosion to gain further insights in the corrosion mechanisms of RC structures. Concerning corrosion monitoring using electrical methods, the half-cell potential technique with potential mapping is accurate for locating areas with a high corrosion risk. Recent developments in the measurement of concrete resistivity have shown that the use of electrical resistivity tomography allows to consider appropriately the inherent heterogeneity of concrete and provides more insights on transport phenomena (e.g. water and salts ingress) in the material. Nevertheless, during the corrosion propagation stage, the polarization resistance remains the most important parameter to be determined as it provides quantitative information of the corrosion rate. If conventional three-electrode configuration methods can supply an accurate determination in the case of uniform corrosion, they often fail in the case of macrocell corrosion in field experiments. Recent advances have shown that a four-electrode configuration without any connection to the rebar can rather be used for the non-destructive testing and evaluation of corrosion. If studies are still required to quantify the corrosion rate, this method appears sensitive to localized corrosion and thus more suitable to field investigations. Finally, the coupling of numerical simulations with complementary electrical and other non-destructive testing methods is essential for consolidating the results to provide a better diagnosis of the service life of RC structures.

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Section: Measurement In Three-electrode Configurationmentioning

confidence: 99%

Reinforced concrete structures: A review of corrosion mechanisms and advances in electrical methods for corrosion monitoring

Rodrigues

Gaboreau

Gance

et al. 2021

Construction and Building Materials

207

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“…Thus, the graphical method is used in the current work to get a better understanding of the system being investigated. The capacitance of the oxide layer can be accurately extracted from the complex capacitance plane after the correction by removing the solution resistance Rs as following [22]- [26]:…”

Section: Surfaces Electrochemical Characterisationmentioning

confidence: 99%

Influence of protein adsorption on tribocorrosion behaviour of CoCrMo biomedical-grade alloys

Namus

Rainforth

2020

Tribology International

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“…The capacitance of an oxide film can be graphically determined by extrapolating the high frequency real capacitance, Cf ≃ CHF, using the Cole-Cole capacitance representation [52,66,67].…”

Section: Electrochemical Testing Of Hpt-processed Materialsmentioning

confidence: 99%

Electrochemical behavior of a magnesium ZK60 alloy processed by high-pressure torsion

Torbati-Sarraf

Poursaee

et al. 2019

Corrosion Science

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High-pressure torsion (HPT) was used to evaluate the effect of straining on the electrochemical properties of a ZK60 magnesium alloy. The samples were processed using HPT up to 20 turns and the electrochemical responses were examined through polarization, EIS, Mott-Schottky and hydrogen evolution tests. Electron back-scatter diffraction (EBSD) studies showed more homogeneity with finer average grain sizes accompanied by the evolution of a nobler texture when increasing the numbers of HPT turns. Ultimately, this led to improved corrosion behavior for the HPT-processed disks. Post corrosion observations revealed improved protective layers after higher turns of HPT.

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Improved EIS Analysis of the Electrochemical Behaviour of Carbon Steel in Alkaline Solution

Abstract: 2017-08-25T16:30:20

Cited by 68 publications

References 21 publications

Reinforced concrete structures: A review of corrosion mechanisms and advances in electrical methods for corrosion monitoring

Reinforced concrete structures: A review of corrosion mechanisms and advances in electrical methods for corrosion monitoring

Influence of protein adsorption on tribocorrosion behaviour of CoCrMo biomedical-grade alloys

Electrochemical behavior of a magnesium ZK60 alloy processed by high-pressure torsion

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