pore solution
Influence of Chloride Ions on Corrosion Behavior of Steel Bars in a Simulated Concrete Pore Solution
... The performance of steel bars deteriorates under chloride corrosion. It is thus essential to study the corrosion mechanism of different steel bars to better understand the corrosion of steel bars in concrete structures. ...
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Electrochemical and Passivation Behavior of Duplex Stainless Steel in Simulated Concrete Pore Solution
... Corrosion of steel bars is an important cause of damage to concrete structures, and the passivation films formed on the surface of steel bars could play an effectively protective effect against corrosion. In this study, ...
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A Statistical Study on Metastable Pitting of 304 Stainless Steel in Chloride Contaminated Carbonated Concrete Pore Solution
... represents the average radius of metastable pits of samples. As can be seen, the value of α increased with the concentration of Cl - . The values of R 2 in extreme value distribution were closer to 1, and much higher ...
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Corrosion Inhibition by Potassium Chromate-Zn 2+ System for Mild Steel in Simulated Concrete Pore Solution
... Ormellese. et al also have been used the above inhibitors for chlorides induced corrosion in Reinforced concrete structures 16 . Nitrite based inhibitors are considered the most effective products available on market: ...
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Sodium nitrite as corrosion inhibitor for mild steel in simulated concrete pore solution
... The corrosion inhibition effect of mild steel in simulated concrete pore solution (SCPS) by Sodium Nitrite and Zn 2+ has been investigated using weight loss method and cyclic voltammetry. The results show ...
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Hydrated phases and pore solution composition in cementsolidified saltstone waste forms
... and pore solution composition of hydrated cement- solidified synthetic saltstone waste forms are quantified using thermogravimetric analysis, quantitative X-ray powder diffraction, and inductively coupled ...
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The Effects of Deformation on Corrosion Behavior of Stainless Steel in Chlorides Contaminated Concrete Pore Solution
... extracts solution was prepared by adding 1000 g ordinary Portland cement ...as pore solution. To simulate the carbonated concrete pore solution, the cement extracts solution was ...
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Electrochemical and Corrosion Behavior of 2205 Duplex Stainless Steel in Simulated Concrete Pore Solution
... In this paper, electrochemical and passivation behavior of 2205 duplex stainless steel (DSS) in simulated concrete pore solution (SCPS) under anoxic condition was studied. The electrochemical impedance ...
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Characterization of Corrosion Process of Q235 Carbon Steel in Simulated Concrete Pore Solution by EIS and EN Techniques
... The corrosion behavior of Q235 carbon steel in simulated concrete pore solution was investigated by electrochemical impedance spectroscopy (EIS) and electrochemical noise (EN) techniques. The equivalent ...
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Influnce of Polyvinyl Pyrolidone on Corrosion Resistance of Mild Steel Simulated Concrete Pore Solution Prepared in Well Water
... The inhibition efficiency (IE) of Polyvinyl pyrolidone (PVP) in controlling corrosion of carbon steel immersed in simulated concrete pore solution prepared in well water in the absence and presence of Zn 2+ ...
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Electrochemical Analysis of Carbon Steel Corrosion Induced by Chloride and Sulfate Ions in Simulated Concrete Pore Solution
... found to be corrosive to steels but to a lesser extent than chloride. Notably, sulfate ions were premixed into fresh concrete and could change the chemical properties of hardened concrete pore solution; ...
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Microstructure of Passive Film on Steel in Synthetic Concrete Pore Solution in Presence Chloride and Nitrite
... chosen as the test samples. The microstructures of the passive films of these wafers were analyzed by XPS and XRD. A total of 300 ml of the three types of previously prepared simulated pore solutions were poured ...
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Passivation and Corrosion Behavior of P355 Carbon Steel in Simulated Concrete Pore Solution at pH 12.5 to 14
... In the cathode polarization process, corrosion products such as Fe 2+ will be produced and their influence on the passivation could not be neglected. The solution could be contaminated by corrosion products which ...
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Aryl Aminoalcohols as Corrosion Inhibitors for Carbon Steel in Chloride-Contaminated Simulated Concrete Pore Solution
... According to previous reports, DMEA derivatives could serve as efficient catalysts to promote direct C-H arylation through the formation of five-membered chelate ring with the alkali metal ion.[32] Similarly, it was ...
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Electrochemical Behavior of Reinforcement Steel in Simulate Concrete Pore Solution with and without Chloride Ions
... data showed that at (i) [Cl - ]<0.05 M for 0 h immersion and (ii) [Cl - ]<0.2 5 M for 24 h immersion, steel resists pitting corrosion even if it was polarized to the oxygen evolution potential, indicating film ...
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Performance and Mechanism of a Multi Functional Superplasticizer for Concrete
... the pore solution is likely to reach a higher value with the progress of hydration than the initial ...in pore solution also increases mainly due to the release of SRC from JM-PCA (IV) by ...
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Reactive Transport Numerical Model for Durability of Geopolymer Materials
... the pore solution from the material, ...pore solution. In both cases the drop in alkali concentration of the pore solution (and thus its pH) is very sudden when there is no ...
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Alkali activated slag mortars provide high resistance to chloride-induced corrosion of steel
... the pore solution of concrete can significantly reduce its redox potential, which in classical concrete electrochemistry is considered to indicate steel ...slag pore solution depends on both ...
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Electrochemical Chloride Extraction and Inhibitor Injection in Salt-Contaminated Repair Mortar
... Repair mortar is commonly used to rehabilitate reinforced concrete structures or components that exhibit a relatively high level of distresses. Yet, this repair mortar can be contaminated by salt from its service ...
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Vol 2, No 11 (2013)
... forming a protective film on the steel surface. Usually, there is a polar group in the organic molecule that adsorbs on the metal and a nonpolar hydrophobic chain oriented perpendicular to this surface. These chains act, ...
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