Eco-friendly benzimidazolium based ionic liquid as a corrosion inhibitor for aluminum alloy composite in acidic media

Shetty, S. Kshama; Shetty, A. Nityananda

doi:10.1016/j.molliq.2016.11.037

Cited by 87 publications

(21 citation statements)

References 48 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The amount of dissolved oxygen gases in the reaction solution can be improved by the continuous stirring for promoting metal corrosion. 4)Reaction temperature and time: the metal corrosion is also influenced by the reaction temperature and time, while increasing the reaction temperature and operating time is profitable for promoting the metal corrosion. [ 64,78 ] Thus, the morphologies, coverage and thickness of corrosion layers can be modulated through accordingly adjusting the reaction temperature and time. As revealed in Figure 5j–m, the coverage degree of Fe(Ni)OOH nanosheets on the stainless steel was obviously accelerated by increasing the reaction time.…”

Section: Description Of Corrosion Engineeringmentioning

confidence: 99%

Transforming Damage into Benefit: Corrosion Engineering Enabled Electrocatalysts for Water Splitting

Liu

Gong

Deng

et al. 2020

Adv Funct Materials

View full text Add to dashboard Cite

Producing high‐purity hydrogen from water electrocatalysis is essential for the flourishing hydrogen energy economy. It is of critical importance to develop low‐cost yet efficient electrocatalysts to overcome the high activation barriers during water electrocatalysis. Among the various approaches of catalyst preparation, corrosion engineering that employs the autogenous corrosion reactions to achieve electrocatalysts has emerged as a burgeoning strategy over the past few years. Benefiting from the advantages of simple synthesis, effective regulation, easy scale‐up production, and extremely low cost, corrosion engineering converts the harmful corrosion process into the useful catalyst preparation, achieving the goal of “transforming damage into benefit.” Herein, the concept of corrosion engineering, fundamental reaction mechanisms, and affecting factors are firstly introduced. Then, recent progresses on corrosion engineering for fabricating electrocatalysts toward water splitting are summarized and discussed. Specific attentions are devoted to the formation mechanisms, catalytic performances, and structure–activity relations of these catalysts as well as the approaches employed for performance improvements. At last, the current challenges and future exploiting directions are proposed for achieving highly active and durable electrocatalysts. It is envisioned to shed light on the multidisciplinary corrosion engineering that is closely associated with corrosion and material science for energy and environmental applications.

show abstract

Section: Description Of Corrosion Engineeringmentioning

confidence: 99%

Transforming Damage into Benefit: Corrosion Engineering Enabled Electrocatalysts for Water Splitting

Liu

Gong

Deng

et al. 2020

Adv Funct Materials

View full text Add to dashboard Cite

show abstract

“…Here, ( ) R P inh and R P were the polarization resistance in the presence and absence of the inhibitor with different concentration of the inhibitor at 298 K [21][22][23][24][25][26][27].…”

Section: Electrochemical Methodsmentioning

confidence: 99%

Experimental and computational studies of imidazolium based ionic liquid 1-methyl- 3-propylimidazolium iodide on mild steel corrosion in acidic solution

Parveen

Bashir

Thakur

et al. 2019

Mater. Res. Express

103

View full text Add to dashboard Cite

Corrosion inhibitive property of ionic liquid 1-Methyl-3-propylimidazolium iodide (MPII) on Mild Steel in 1 M H 2 SO 4 was investigated by experimental and computational Studies. The inhibition efficiency of inhibitor MPII at various concentrations, temperature and time duration were studied by gravimetric measurements, potentiodynamic polarization techniques, electrochemical impedance spectroscopy (EIS), surface studies and computational studies. The results from potentiodynamic polarization studies revealed that inhibitor 1-Methyl-3-propylimidazolium iodide acts as a mixed type inhibitor with a high inhibition efficiency of 91% at 298 K. Adsorption of the inhibitor on the surface of mild steel follows the Langmuir adsorption isotherm. The mechanism of adsorption was also validated by quantum chemical studies. Morphology and topography of the Mild Steel surface with and without the inhibitor were investigated by SEM. Thermodynamic parameters for adsorption like adsorption equilibrium (K ads ), DH , ads DS , ads Free energy of adsorption i.e. ΔG ads were also calculated so as to project the mechanism of adsorption. Computational data obtained from the Density functional theory (DFT) were used to acquire detailed theoretical insights. Appreciably Electrochemical impedance spectroscopy, Molecular dynamic simulation and quantum chemical calculation confirms the interaction of inhibitor with metal which leads to increases in inhibition efficiency.

show abstract

“…The linear correlation coefficient is almost close to unity. The values of slopes seem to deviate a little from unity; and this might be due to the lateral interaction of HCT molecules with the aluminium composite surface [39]. ( 9) The relationship between the standard free energy change for the adsorption ΔG 0 ads and the adsorption/desorption constant (K) is given by the equation, In Eq.…”

Section: Adsorption Isothermmentioning

confidence: 99%

Hydrazinecarbothioamide Derivative as an Effective Inhibitor for Corrosion Control: Electrochemical, Surface and Theoretical Studies

et al. 2021

View full text Add to dashboard Cite

Aluminium has played a significant role in the advancement of metal matrix composites (MMC) and has drawn the attention of researchers since Al composites find extensive application in aerospace, military and automobile industries. This paper describes the corrosion property of 6061 Al-15 vol%. SiC(p) composites in hydrochloric acid medium. This composite with high strength-to-weight ratio and other alluring properties undergoes corrosion in acid media and a study has been made in 0.5 M hydrochloric acid using (2Z)-2-(2-hydroxy-3methoxybenzylidene) hydrazinecarbothioamide (HCT) as an inhibitor. Results of the electrochemical studies and surface morphology are presented. With the increase in HCT concentration, inhibition efficiency increased. But efficiency decreased with an increase in temperature. The maximum efficiency was found to be 56.8% for the addition of 10 × 10–5 M HCT concentration at 303 K. The inhibitor was found to behave as a mixed inhibitor affecting both anodic metal dissolution reaction and cathodic hydrogen evolution to the same extent. The HCT molecules were found to physisorb over the Al-composite surface and adsorption followed Langmuir’s adsorption isotherm. Adsorption of HCT was confirmed by scanning electron microscopy (SEM) and atomic force microscopy (AFM). Computational studies using density functional theory (DFT) supported experimental findings. Density functional theory calculations gave a clear insight into the mechanistic aspects of corrosion inhibition. Graphic Abstract

show abstract

Eco-friendly benzimidazolium based ionic liquid as a corrosion inhibitor for aluminum alloy composite in acidic media

Cited by 87 publications

References 48 publications

Transforming Damage into Benefit: Corrosion Engineering Enabled Electrocatalysts for Water Splitting

Transforming Damage into Benefit: Corrosion Engineering Enabled Electrocatalysts for Water Splitting

Experimental and computational studies of imidazolium based ionic liquid 1-methyl- 3-propylimidazolium iodide on mild steel corrosion in acidic solution

Hydrazinecarbothioamide Derivative as an Effective Inhibitor for Corrosion Control: Electrochemical, Surface and Theoretical Studies

Contact Info

Product

Resources

About