Corrosion Behaviour of Steel‐Reinforcement in C
 3
 H
 7
 NO
 2
 S‐Admixed Concrete Immersed in Saline/Marine Simulating‐Environment

This study analyzed the gravimetric and electrochemical effects of C16H13N3O3 (methyl-5-benzoyl-2-benzimidazole carbamate: Mebendazole) on mild steel corrosion in 0.5 M H2SO4, for gaining insights on correlation and significance of differences between the two corrosion-monitoring techniques. For the gravimetric method, weight loss of mild steel specimens immersed in different C16H13N3O3 concentrations mixed in the 0.5 M H2SO4 were obtained for corrosion rates and inhibition efficiencies estimations. For the electrochemical approach, mild steel samples were subjected to potentiodynamic polarization experiments in the different C16H13N3O3 concentrations in 0.5 M H2SO4 that were employed for the gravimetric technique for obtaining instrumental readout of corrosion rate. Results showed that the corrosion rate from the electrochemical experiments exhibited excellent linear correlation (R = 99.91; Nash-Sutcliffe Efficiency = 99.83) with the dataset obtained from the gravimetric corrosion assessments. Both the gravimetric and electrochemical monitoring of mild steel corrosion gave inhibition efficiencies, η > 90%, by the different C16H13N3O3 concentrations for the study. Also, homeoscedastic and heteroscedastic student’s t-test statistics indicated that the differences between the corrosion inhibition efficiencies from the electrochemical and gravimetric techniques were not significant, p-value = 0.9729, but significant for their corrosion rates: 1.52 × 10–6 > p-value > 8.15 × 10–9.

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Analyses of the Gravimetric and Electrochemical Effects of C₁₆H₁₃N₃O₃ on Mild Steel Corrosion in 0.5 M H₂SO₄

Edoziuno

Odoni

Adediran

et al. 2019

J. Phys.: Conf. Ser.

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Modelling Total-corrosion Behaviour of Reinforcing-steel in 3.5% NaCl-immersed Concrete with Cymbopogon citratus leaf-extract admixture

Okeniyi

Joseph

et al. 2021

IOP Conf. Ser.: Mater. Sci. Eng.

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In this paper, the total-corrosion behaviour of reinforcing-steel embedment in concrete samples, having Cymbopon citratus (C. citratus) leaf-extract admixture, and which were immersed in 3.5% NaCl (a saline/marine simulating environment) is investigated. Electrochemical data of macrocell current measurements were obtained, as an easy to undertake corrosion monitoring technique, from the steel-reinforced concrete specimens, that had been admixed with different concentrations of the C. citratus leaf-extract, before being immersed in the corrosive test-medium. The obtained data were then rendered to prescribed specification from ASTM G109 for the modelling of the total-corrosion prevailing in the reinforcing-steel within the concrete test-samples. Results obtained showed that C. citratus leaf-extract admixture in the concrete samples led to reduction in the total-corrosion of the reinforcing-steel, and, especially, in agreements with previous works where other types of electrochemical monitoring techniques had been employed.

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Corrosion Behaviour of Steel‐Reinforcement in C ₃ H ₇ NO ₂ S‐Admixed Concrete Immersed in Saline/Marine Simulating‐Environment

Cited by 2 publications

References 49 publications

Analyses of the Gravimetric and Electrochemical Effects of C₁₆H₁₃N₃O₃ on Mild Steel Corrosion in 0.5 M H₂SO₄

Analyses of the Gravimetric and Electrochemical Effects of C₁₆H₁₃N₃O₃ on Mild Steel Corrosion in 0.5 M H₂SO₄

Modelling Total-corrosion Behaviour of Reinforcing-steel in 3.5% NaCl-immersed Concrete with Cymbopogon citratus leaf-extract admixture

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Corrosion Behaviour of Steel‐Reinforcement in C 3 H 7 NO 2 S‐Admixed Concrete Immersed in Saline/Marine Simulating‐Environment

Cited by 2 publications

References 49 publications

Analyses of the Gravimetric and Electrochemical Effects of C16H13N3O3 on Mild Steel Corrosion in 0.5 M H2SO4

Analyses of the Gravimetric and Electrochemical Effects of C16H13N3O3 on Mild Steel Corrosion in 0.5 M H2SO4

Modelling Total-corrosion Behaviour of Reinforcing-steel in 3.5% NaCl-immersed Concrete with Cymbopogon citratus leaf-extract admixture

Contact Info

Product

Resources

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Corrosion Behaviour of Steel‐Reinforcement in C ₃ H ₇ NO ₂ S‐Admixed Concrete Immersed in Saline/Marine Simulating‐Environment

Analyses of the Gravimetric and Electrochemical Effects of C₁₆H₁₃N₃O₃ on Mild Steel Corrosion in 0.5 M H₂SO₄

Analyses of the Gravimetric and Electrochemical Effects of C₁₆H₁₃N₃O₃ on Mild Steel Corrosion in 0.5 M H₂SO₄