Experimental and Theoretical Evaluation of Rutin as Eco-Friendly Corrosion Inhibitor for Aluminum 6063 Alloy in Acidic Medium

Kumari, P.D. Reena; Kumari, Divya

doi:10.1007/s11668-018-0473-x

Cited by 15 publications

(4 citation statements)

References 19 publications

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“…The activation energy is lesser in inhibited solution (Table 4), which denotes the role of BMDP in altering the rate of electrochemical reactions, thereby reducing the rate of corrosion. The lower E a also indicates chemisorption as a dominating type of adsorption [36] and the positive value of activation enthalpy supports an endothermic mode of interaction [37,38] …”

Section: Resultsmentioning

confidence: 95%

“…The lower E a also indicates chemisorption as a dominating type of adsorption [36] and the positive value of activation enthalpy supports an endothermic mode of interaction. [37,38] Adsorption Isotherms Adsorption studies provide information about metal-inhibitor interaction. For the present work, the Langmuir adsorption isotherm (Figure 6) suited well, which was plotted using concentration (C) and adsorption constant (K ads ) (Eq.…”

Section: Effect Of Temperature On Inhibitionmentioning

confidence: 99%

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Pyrazoline Derivative as Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Medium: Experimental and Theoretical Approach

Shekara¹,

Jyothi²,

Sadashiva³

et al. 2023

ChemistrySelect

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A new pyrazoline derivative, 1-[5-(4-bromophenyl)-3-(6-methoxypyridine-3-yl)-4-5-dihydro-1H-pyrazol-1-yl]-ethane-1-one (BMDP) was synthesised using chalcone derivative. The FTIR, 1 HNMR, and mass spectral analysis were performed to validate the synthesised compound. The electrochemical impedance spectroscopy and potentiodynamic polarization techniques were performed to evaluate BMDP as a corrosion inhibitor for mild steel. The corrosion inhibition was observed to rise with an increase in BMDP concentration and decline with an increase in temperature. The maximum inhibition efficiency of 91.1 % was reported at 303 K in 40 ppm of BMDP concentration. Activation and adsorption parameters were found with statistical thermodynamic calculations. The surface investigation of the metal surface was performed by SEM, AFM and EDX techniques. UV-visible spectroscopy was used to realise the inhibitor-metal complex formation. The quantum chemical computations were performed by density functional theory using Gaussian 16 software, and the theoretical calculations confirm the outstanding anticorrosive property of BMDP at the diminutive level as analysed in electrochemical studies.

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Section: Resultsmentioning

confidence: 95%

Section: Effect Of Temperature On Inhibitionmentioning

confidence: 99%

Pyrazoline Derivative as Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Medium: Experimental and Theoretical Approach

Shekara¹,

Jyothi²,

Sadashiva³

et al. 2023

ChemistrySelect

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“…The proportion of the semicircle in the plot and the frequency of the capacitive loop magnifies with the elevation of concentration of PQS and MQS. The magnification of the capacitive loops is an indication of the increase in the efficacy of inhibitors, an ideal paradigm of an effective corrosion inhibitor [26,27] . The percentage efficiency of electrochemical impedance (

{{{\rm E}{\rm I}{\rm S}}_{{\rm \eta }{\rm \char37 }}}

) is reckoned with Eq.…”

Section: Resultsmentioning

confidence: 99%

“…The magnifica-tion of the capacitive loops is an indication of the increase in the efficacy of inhibitors, an ideal paradigm of an effective corrosion inhibitor. [26,27] The percentage efficiency of electrochemical impedance (EIS h% ) is reckoned with Eq. ( 1), where R o ct and R ct are the charge transfer resistance of the inhibitors (PQS and MQS) without and with their incorporation.…”

Section: Electrochemical Impedance Spectroscopy (Eis)mentioning

confidence: 99%

Experimental and Theoretical Approach for the Corrosion Deceleration of Mild Steel in Hydrochloric Acid Medium by Two Sulfonamide Derivatives

Dsouza,

Kudva,

Kumar

et al. 2024

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In the pursuit to find corrosion inhibitors of superior efficacy, N‐(pyrimidin‐2‐yl)‐4‐[(quinazoline‐4‐yl)amino]benzene‐1‐sulfonamide (PQS) and N‐(4‐methylpyrimidin‐2‐yl)‐4‐[(quinazoline‐4‐yl)amino]benzene‐1‐sulfonamide (MQS) are the two new sulfonamides employed, which have decelerating effect on mild steel (MS) corrosion in a medium 0.5 M HCl and were found to have an efficiency of 98.7 % and 96.8 % respectively (303 K for 40 ppm concentration) deliberated through the electrochemical techniques (PDP and EIS). The inhibitory efficacy relies on the temperature of the solution and inhibitor concentration. PQS had greater stability than MQS at higher temperatures which is indicative in the obtained experimental data. The relative adsorption process was in consonance with the Langmuir adsorption isotherm. The SEM, EDS, FT‐IR, and AFM analysis validated PQS and MQS to form a barrier on MS, opposing corrosion. The potential energy surfaces (PES) scan and a theoretical study for PQS and MQS were probed employing density functional theory (DFT) at B3LYP/6‐311+G(d, p) basis set level that explicated the formation of a complex between the sulfonamides and MS. The corrosion inhibition efficiency of PQS and MQS inferred from experimental and theoretical data comply, making them credible corrosion inhibitors.

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Inhibition Effects of Ethyl-2-Amino-4-Methyl-1,3-Thiazole-5-Carboxylate on the Corrosion of AA6061 Alloy in Hydrochloric Acid Media

Raviprabha

Bhat²

2019

J Fail. Anal. and Preven.

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Experimental and Theoretical Evaluation of Rutin as Eco-Friendly Corrosion Inhibitor for Aluminum 6063 Alloy in Acidic Medium

Cited by 15 publications

References 19 publications

Pyrazoline Derivative as Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Medium: Experimental and Theoretical Approach

Pyrazoline Derivative as Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Medium: Experimental and Theoretical Approach

Experimental and Theoretical Approach for the Corrosion Deceleration of Mild Steel in Hydrochloric Acid Medium by Two Sulfonamide Derivatives

Inhibition Effects of Ethyl-2-Amino-4-Methyl-1,3-Thiazole-5-Carboxylate on the Corrosion of AA6061 Alloy in Hydrochloric Acid Media

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