Corrosion inhibition of mild steel in hydrochloric acid by 6‐aminohexanoic acid

Abdeli, M.; Ahmadi, Naghi Parvini; Khosroshahi, R. Azari

doi:10.1002/maco.200905261

Cited by 18 publications

(6 citation statements)

References 19 publications

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“…In an attempt to find the best fit of u values to various isotherms, several adsorption isotherms were generally considered such as Temkin, Langmuir, Frumkin [34] and Freundlich.…”

Section: Adsorption Isothermmentioning

confidence: 99%

Experimental and quantum chemical studies on two triazole derivatives as corrosion inhibitors for mild steel in acid media

Tao

et al. 2011

Materials & Corrosion

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Two triazole derivatives [1-phenyl-2-(5-(1,2,4) triazol-1-ylmethyl-(1,3,4) oxadizaol-2-ylsulphanyl)-ethanone (PTOE) and 2-(4-tert-butylbenzylsulphanyl)-5-(1,2,4) triazol-1-ylmethyl-(1,3,4) oxadiazole (TBTO)] were synthesized as new corrosion inhibitors for the corrosion of mild steel in 1 M hydrochloric acid solutions. The inhibiting efficiency of the different inhibitors was evaluated by means of weight loss and electrochemical techniques such as electrochemical impedance spectroscopy (EIS) and polarization curves. The electrochemical investigation results indicate that these compounds act as mixed-type inhibitors retarding the anodic and cathodic corrosion reactions and do not change the mechanism of either hydrogen evolution reaction or mild steel dissolution. The studied compounds followed the Langmuir adsorption isotherm, and the thermodynamic parameters were determined and discussed. The effect of molecular structure on the inhibition efficiency has been investigated with ab initio calculations. The electronic properties such as highest occupied molecular orbital (HOMO) energy level, lowest unoccupied molecular orbital (LUMO) energy level, dipole moment (m) and molecular orbital densities were calculated.

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“…In an attempt to find the best fit of u values to various isotherms, several adsorption isotherms were generally considered such as Temkin, Langmuir, Frumkin [34] and Freundlich.…”

Section: Adsorption Isothermmentioning

confidence: 99%

Experimental and quantum chemical studies on two triazole derivatives as corrosion inhibitors for mild steel in acid media

Tao

et al. 2011

Materials & Corrosion

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“…There are kinds of ways to prevent the corrosion of metal, such as electrochemical protection (cathodic and anodic protection), the use of corrosion inhibitor, metal coating protective technology (electroplating, chemical, hot dipping), metal surface transformation (metal oxide, metal phosphating, passivation), non‐metallic coating, etc. . Among them, the use of corrosion inhibitors is a kind of convenient, efficient, and effective way to prevent metal corrosion.…”

Section: Introductionmentioning

confidence: 99%

Experimental and theoretical studies of 2‐amino thiazole as an inhibitor for carbon steel corrosion in hydrochloric acid

Cui

Guo

Zhang

2014

Materials & Corrosion

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The corrosion inhibition of 2‐amino thiazole (AT) for 45# steel in 0.1 M HCl solution was studied by means of weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and scanning electron microscopy (SEM) methods. Quantum chemical calculations based on the density functional theory (DFT) method were performed on AT. The results showed that the corrosion inhibition efficiency of 2‐amino thiazole was excellent, and its corrosion inhibition efficiency could reach 90.34% at 500 mg/L. The results obtained from the weight loss experiment and electrochemical experiments were in good agreement. Potentiodynamic polarization study showed that the 2‐amino thiazole was a mixed‐type inhibitor. And the slow‐release process was controlled by electro transfer steps. The electronic properties obtained by quantum chemical approach were correlated with the experiment results.

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“…Mild steel is widely used in many applications; this intensified the research in corrosion resistance in various aggressive environments [1][2][3][4]. In order to mitigate electrochemical corrosion, the primary strategy adopted is to isolate the metal from corrosive agents.…”

Section: Introductionmentioning

confidence: 99%

Investigation of triazole derived Schiff bases as corrosion inhibitors for mild steel in hydrochloric acid medium

2010

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3,5-Diamino-1,2,4-triazole Schiff base derivatives and their inhibition efficiency, based on the effect of changing functional groups, were reported to establish a relationship between inhibitor efficiency and molecular structure using weight loss method, electrochemical and Fourier transform infrared spectral techniques. It was found that the molecules containing more electron donating groups have higher inhibition efficiency than the corresponding compounds with low electron donating groups.The results indicate that the order of inhibition efficiency of the triazole and its Schiff bases in solution and the extent of their tendency to adsorb on mild steel surfaces are as follows: vanilidine 3,5-diamino-1,2,4-triazole [ furfuraldine 3,5-diamino-1,2,4-triazole [ anisalidine 3,5-diamino-1,2, 4-triazole [ 3,5-diamino-1,2,4-triazole.

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Corrosion inhibition of mild steel in hydrochloric acid by 6‐aminohexanoic acid

Cited by 18 publications

References 19 publications

Experimental and quantum chemical studies on two triazole derivatives as corrosion inhibitors for mild steel in acid media

Experimental and quantum chemical studies on two triazole derivatives as corrosion inhibitors for mild steel in acid media

Experimental and theoretical studies of 2‐amino thiazole as an inhibitor for carbon steel corrosion in hydrochloric acid

Investigation of triazole derived Schiff bases as corrosion inhibitors for mild steel in hydrochloric acid medium

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