Interaction of Benzimidazoles and Benzotriazole: Its Corrosion Protection Properties on Mild Steel in Hydrochloric Acid

Ramya, K.; Mohan, Revathi; Abraham, Jayanthi

doi:10.1007/s11665-014-1183-5

Cited by 20 publications

(12 citation statements)

References 64 publications

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“…However, if the corresponding values are between −20 and −40 kJ mol −1 , both physisorption and chemisorption are contributed in the adsorption process. [31] In this study, the ΔG°a ds value was −31.4 KJ mol −1 pointing out the occurrence of both types of adsorption (i.e., physisorption and chemisorption) during the corrosion inhibition of mild steel.…”

Section: Adsorption Isothermssupporting

confidence: 51%

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Chitosan as a green inhibitor for mild steel corrosion: Thermodynamic and electrochemical evaluations

Rabizadeh

Asl

2018

Materials & Corrosion

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In this research, the effects of chitosan on the corrosion behavior of mild steel in 0.1 M hydrochloric acid was investigated by different approaches. According to weight loss measurements, increasing the concentration of chitosan from 0.3 to 1.8 mM, significantly reduced the corrosion rate of mild steel, for example, from 95.5 ± 5 to 7.5 ± 5 mpy at 298 K. The thermodynamic calculations indicate an increase in the corrosion activation energy and the enthalpy of activation when 1.8 mM chitosan was added to the aggressive solution. The electrochemical polarization technique revealed a decrease in corrosion current density which is compatible with the observed increase in the charge transfer resistance measured by electrochemical impedance spectroscopy. The EDS spectra confirmed the adsorption of chitosan on mild steel. Analyzing the surface topography of the coupons by atomic force microscopy showed a remarkable decrease in the corrosion rate of the specimens in the presence of chitosan.

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Section: Adsorption Isothermssupporting

confidence: 51%

“…In general, the

normalΔ G_{a d s}^{°}

values less than −20 kJ mol −1 or higher than −40 kJ mol −1 represent the physisorption or chemisorption of an inhibitor, respectively. However, if the corresponding values are between −20 and −40 kJ mol −1 , both physisorption and chemisorption are contributed in the adsorption process …”

Section: Resultsmentioning

confidence: 99%

Chitosan as a green inhibitor for mild steel corrosion: Thermodynamic and electrochemical evaluations

Rabizadeh

Asl

2018

Materials & Corrosion

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“…In this regard, simple benzimidazole derivatives showed potent inhibition effect, and in order to obtain them the chemical modification of benzimidazole core is carried out by the insertion of different functional groups. Among introduced groups, there are dSH, dNH 2 , dOH, dSCH 3 , dCH 2 NH 2 , dCH 2 OH, dCl, dBr, and carbon chain with different lengths [70][71][72][73][74][75][76][77][78]. The inhibition efficiency (IE) of imidazole and some of its derivatives (see Figure 7) against copper corrosion.…”

Section: Using N-containing Azole Compounds As Corrosion Inhibitors Fmentioning

confidence: 99%

Azole-Based Compounds as Corrosion Inhibitors for Metallic Materials

Ibrahimi¹,

Guo²

2021

Azoles - Synthesis, Properties, Applications and Perspectives

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To face against metallic corrosion and its corresponding undesirable consequences, the implementation of corrosion inhibitor compounds is a well-known method. In this regard, a wide range of organic heterocyclic molecules has been employed as anti-corrosion agents for several metal/medium systems. Azole-based compounds, namely, N-azole, N&S-azole (i.e., thiazole), and N and O-azole (i.e., oxazole) molecules, as well as their derivatives, have shown an excellent ability to act as efficient corrosion inhibitors for different metals and alloys in various corrosive media. For this purpose, we aim in the current chapter to discuss the application of these compounds as retarders of metallic corrosion as well as related highlighted outcomes in recent years.

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“…It can also be seen that increase in R P value at tested concentrations of AEMs are relatively greater of AEM2 as compared to the AEM1 which showed that AEM2 is better corrosion inhibitor as compared to the AEM1. 58 The high inhibition efficiency of the AEM2 is might be resulted due to the presence of less electronegative sulfur in its molecular structure atom that generally offers strong bonding with the metallic surface. AEM1 and AEM2 showed that highest inhibition efficiencies of 94.3% and 95.4% respectively.…”

Section: Molecular Dynamics Simulationmentioning

confidence: 99%

Adsorption and anticorrosive behavior of aromatic epoxy monomers on carbon steel corrosion in acidic solution: computational studies and sustained experimental studies

et al. 2019

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Interaction of Benzimidazoles and Benzotriazole: Its Corrosion Protection Properties on Mild Steel in Hydrochloric Acid

Cited by 20 publications

References 64 publications

Chitosan as a green inhibitor for mild steel corrosion: Thermodynamic and electrochemical evaluations

Chitosan as a green inhibitor for mild steel corrosion: Thermodynamic and electrochemical evaluations

Azole-Based Compounds as Corrosion Inhibitors for Metallic Materials

Adsorption and anticorrosive behavior of aromatic epoxy monomers on carbon steel corrosion in acidic solution: computational studies and sustained experimental studies

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