Electrochemical and Quantum Chemical Studies of 5-[(4-Chlorophenoxy) Methyl]-4H-1,2,4-Triazole-3-Thiol on the Corrosion Inhibition of 6061 Al Alloy in Hydrochloric Acid

Raviprabha, K.; Bhat, Ramesh S.

doi:10.1007/s11668-020-00954-2

Cited by 16 publications

(9 citation statements)

References 45 publications

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“…The inhibitor, therefore, acts as a mixed type with a predominantly cathodic effect. At room temperature, the inhibitor compound (7 b) shows the highest inhibition (84.23 %) calculated from the literature [27] . Table 2 clearly shows that the corrosion current density (i corr ) and corrosion rate (C.R.)…”

Section: Resultsmentioning

confidence: 92%

“…This is mainly because of the adsorption of the inhibitor on the MS surface. The adsorbed inhibitor molecule creates a protective self barrier between the MS surface and the aggressive medium [27,28] …”

Section: Resultsmentioning

confidence: 99%

“…At room temperature, the inhibitor compound (7 b) shows the highest inhibition (84.23 %) calculated from the literature. [27] Table 2 clearly shows that the corrosion current density (i corr ) and corrosion rate (C.R.) values decrease in the presence of inhibitor.…”

Section: Corrosion Inhibition Studiesmentioning

confidence: 97%

“…The adsorbed inhibitor molecule creates a protective self barrier between the MS surface and the aggressive medium. [27,28] The Nyquist plots of mild steel in 0.1 M HCl solution in the absence and in the presence of inhibitor compound (7 b) at room temperature are given in Figure 2. The depression in the figure is the characteristic of the inhomogeneities of the metal surface during corrosion.…”

Section: Corrosion Inhibition Studiesmentioning

confidence: 99%

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Synthesis, Characterization, Antimicrobial and Corrosion Inhibition Studies of Fused Oxadiazolo‐quinolines

2022

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A novel series of 2‐(4‐substituted phenyl)‐6/8‐substituted‐ [1,3,4] oxadiazolo[2′,3′:2,3][1,3]thiazino[6,5‐b]quinolin‐11(3aH)‐ones were synthesized. Their structures have been characterized using standard spectroscopic techniques such as Infrared, Nuclear Magnetic Resonance, and Mass Spectroscopy. All the newly synthesized compounds were screened for their antibacterial and antifungal activities by the cup plate diffusion method. Antimicrobial studies revealed that compounds showed good to significant activity against tested strains. One of the compounds was evaluated for corrosion inhibition studies by potentiodynamic polarization and electrochemical impedance method in 0.1 M hydrochloric acid solution for mild steel. The tested compound had exhibited a good inhibitory action against corrosion of mild steel in the medium investigated.

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Section: Resultsmentioning

confidence: 92%

Section: Resultsmentioning

confidence: 99%

Section: Corrosion Inhibition Studiesmentioning

confidence: 97%

Section: Corrosion Inhibition Studiesmentioning

confidence: 99%

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Synthesis, Characterization, Antimicrobial and Corrosion Inhibition Studies of Fused Oxadiazolo‐quinolines

2022

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“…The impedance Z CPE can be considered using the formula: 47 , 48 wherein Y 0 is the CPE admission, j is the imagined digit, ω is the angular frequency (ω = 2π f ), and n is the CPE index determined as a phase shift. Whenever n = 0, CPE designates a resistor; whenever 0 < n < 1, it designates a not perfect capacitor; whenever n = 1, it represents a perfect capacitor.…”

Section: Resultsmentioning

confidence: 99%

Corrosion Mitigation Performance of N80 Steel in 5% Sulfamic Acid Medium by Applying Novel Tetrahydro-1,2,4-triazines Including Triazene Moieties: Electrochemical and Theoretical Approaches

et al. 2022

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We observed our newly developed tetrahydro-1,2,4-triazines, including triazene moieties ( THTA ), namely, 6-((1E)-1-((2E)-(4-(((Z)-1-(2,4-diphenyl-2,3,4,5-tetrahydro-1,2,4-triazin-5-yl) ethylidene) triaz-1-en-1-yl)piperazin-1-yl) triaz-2-en-1-ylidene) ethyl)-2,4-diphenyl-2,3,4,5-tetrahydro-1,2,4-triazine ( THTA-I ), and 1-((E)-((E)-1-(2,4-diphenyl-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl) ethylidene) triaz-1-en-1-yl) naphthalen-2-ol ( THTA-II ), as effective inhibitors for the corrosion protection of N80 carbon steel metal in 5% sulfamic acid as the corrosive medium via electrochemical approaches such as potentiodynamic polarization and electrochemical impedance spectroscopy. Furthermore, the tested steel exterior was monitored using X-ray photoelectron spectroscopy after the treatment with the investigated components to verify the establishment of the adsorbed shielding film. The investigated compounds acted as mixed-type inhibitors, as shown by Tafel diagrams. The compounds considered obey the Langmuir adsorption isotherm, and their adsorption on the steel surface was chemisorption. When the tested inhibitors were added, the double-layer capacitances, which can be determined by the adsorption of the tested inhibitors on N80 steel specimens, decreased compared with that of the blank solution. At 10 –4 M, the inhibitory efficacy of THTA-I and THTA-II achieved maximum values of 88.5 and 86.5%, respectively. Density-functional theory computations and Monte-Carlo simulation were applied to determine the adsorption attributes and inhibition mechanism through the studied components. Furthermore, the investigated inhibitors were considered to adsorb on the Fe (1 1 0) surface. The adsorption energy was then measured on steel specimens.

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Bioinspired Heterocyclic Compounds as Corrosion Inhibitors: A Comprehensive Review

Goni

Mazumder

Quraishi

et al. 2021

Chemistry An Asian Journal

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Corrosion is a phenomenon that devastatingly affects innovative, industrial, and mechanical applications, especially in the oil and gas industries. The corrosion conceivably influences industrial equipment; it deteriorates the environment and lessens the equipment/infrastructure's lifetime. Considering the significant impact of corrosion in our daily lives, this review article aims to briefly discuss the significance of corrosion and different control methods with special attention on corrosion inhibitors. The classification of corrosion inhibitors based on types and their advantage/ limitations, and heterocyclic compounds as potential corrosion inhibitors, mainly nitrogen-based compounds (pyridine (1N), pyrimidine (2N), and triazines (3N) fused ring benzimidazole, etc.), and their biological significance has been discussed in detail. The mechanism, challenges, and applications of heterocyclic compounds as corrosion inhibitors in various industrial relevant corrosive environments such as acid pickling, descaling operation in the desalination plant, oil gas industry, etc., have also been highlighted in the review.

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Electrochemical and Quantum Chemical Studies of 5-[(4-Chlorophenoxy) Methyl]-4H-1,2,4-Triazole-3-Thiol on the Corrosion Inhibition of 6061 Al Alloy in Hydrochloric Acid

Cited by 16 publications

References 45 publications

Synthesis, Characterization, Antimicrobial and Corrosion Inhibition Studies of Fused Oxadiazolo‐quinolines

Synthesis, Characterization, Antimicrobial and Corrosion Inhibition Studies of Fused Oxadiazolo‐quinolines

Corrosion Mitigation Performance of N80 Steel in 5% Sulfamic Acid Medium by Applying Novel Tetrahydro-1,2,4-triazines Including Triazene Moieties: Electrochemical and Theoretical Approaches

Bioinspired Heterocyclic Compounds as Corrosion Inhibitors: A Comprehensive Review

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