3-Hydroxybenzoic acid as AISI 316L stainless steel corrosion inhibitor in a H2SO4?HF?H2O2 pickling solution

Narváez, L.; Cano, E.; Bastidas, David M.

doi:10.1007/s10800-005-0291-1

Cited by 43 publications

(12 citation statements)

References 20 publications

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“…So the adsorption of organic inhibitor molecules from the aqueous solution can be regarded as a quasi-substitution process between the organic compounds in the aqueous phase [Org (sol) ] and water molecules at the electrode surface [H 2 O (ads) ] as represented in Eq. (10) [43]:…”

Section: Adsorption Isotherm and Thermodynamic Parametersmentioning

confidence: 99%

Schiff's base derived from 2-acetyl thiophene as corrosion inhibitor of steel in acidic medium

Aouniti

Elmsellem

Tighadouini

et al. 2016

Journal of Taibah University for Science

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The adsorption and corrosion inhibition behavior of (E)-2-methyl-N-(thiophen-2-ylmethylidene)aniline (T) at steel/1.0 M HCl interface was investigated using gravimetric and electrochemical methods at 308 K. Inhibition efficiency increased with increase in the concentration of new synthesized Tiophene Schiff base. The potentiodynamic polarization studies revealed that this compound as mixed-type inhibitor. Data, obtained from EIS measurements, were analyzed to model the corrosion inhibition process through appropriate equivalent circuit model; a constant phase element (CPE) has been used. The inhibition was assumed to occur via adsorption of the components of the Thiophene derivative on the mild steel surface which can be approximated by Langmuir adsorption isotherm model. Quantum chemical parameters are calculated using the density functional theory (DFT) method. Correlation between theoretical and experimental results is discussed.

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Section: Adsorption Isotherm and Thermodynamic Parametersmentioning

confidence: 99%

Schiff's base derived from 2-acetyl thiophene as corrosion inhibitor of steel in acidic medium

Aouniti

Elmsellem

Tighadouini

et al. 2016

Journal of Taibah University for Science

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“…Phenolic acids are natural antioxidants and show antibacterial and antifungal activity (Pokorny et al, 2001;Fernandez et al, 1996;Barber et al, 2000). Earlier studies revealed that they could be used as corrosion inhibitors for aluminium and its alloys and steel as well (Rado s sević et al, 2001;Vrsalović et al, 2007Vrsalović et al, , 2009Narvaez et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

CORROSION INHIBITION OF CuNi10Fe ALLOY WITH PHENOLIC ACIDS

Vrsalović

Oguzie

Kliškić

et al. 2011

Chemical Engineering Communications

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The purpose of this study was to investigate the efficiency of two phenolic acids, namely p-hydroxybenzoic acid (HBA) and protocatechuic acid (PCA), as corrosion inhibitors for CuNi10Fe alloy in a 0.5 mol dm À3 NaCl solution. In these investigations, open circuit potential measurements, potentiodynamic polarization measurements, and the linear polarization method have been used. It was found that both phenolic acids had similar corrosion inhibition effects on the CuNi10Fe alloy dissolution. The inhibition efficiency (IE) increased with increase in inhibitor concentration. The polarization shows that both compounds functioned as cathodic corrosion inhibitors by adsorption on the surface of CuNi10Fe alloy according to the Freundlich adsorption isotherm. The numerical values of free energies of adsorption indicate physical adsorption of the compounds on the electrode surface. DFT-based quantum chemical computations and molecular dynamics (MD) simulations revealed identical electronic and adsorption structures for both HBA and PCA, which could account for the similarities in the experimentally observed inhibiting effects.

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“…The inhibition efficiency (IECR) and the degree of surface coverage (θ) of the inhibitor molecule adsorbed on the alloy surface (Hegazy et al, 2012;Negm et al, 2012;Narváez et al, 2005) were estimated using following equations 2 and 3, respectively, where, CR(unhib.) and CR(inhib.)…”

Section: Corrosion Test and Inhibition Mechanismmentioning

confidence: 99%

Study of Corrosion Inhibition Mechanism of Sputter-Deposited W-42Cr-5Ni and Cr-10Zr-10w Alloys by Sodium Nitrite as Green Inhibitor in 0.5 M NaCl and 1 M NaOH Solutions

Subedi

Pokharel

Bhattarai

2014

Int J Appl Sci Biotechnol

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The effect of different concentrations of sodium nitrite as a green corrosion inhibitor on the corrosion inhibition mechanism of the sputterdeposited ternary W-42Cr-5Ni and Cr-10Zr-10W alloys was studied in 0.5 M NaCl and 1 M NaOH solutions open to air at 25ºC using corrosion tests. The use of the sodium nitrite enhanced the corrosion resistance properties of both the alloys in 0.5 M NaCl and 1 M NaOH solutions. It is found that the sodium nitrite is strongly adsorbed on the surface of the sputter-deposited these two alloys by physical adsorption, not by the chemisorption. As a result the corrosion resistance property of the alloys was found to be significantly increased with increasing the concentration of the green corrosion inhibitor of sodium nitrite. The corrosion rates of the sputter-deposited W-42Cr-5Ni and Cr-10Zr-10W alloys were decreased with increasing the concentrations of sodium nitrite of 2400 ppm.

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3-Hydroxybenzoic acid as AISI 316L stainless steel corrosion inhibitor in a H2SO4?HF?H2O2 pickling solution

Cited by 43 publications

References 20 publications

Schiff's base derived from 2-acetyl thiophene as corrosion inhibitor of steel in acidic medium

Schiff's base derived from 2-acetyl thiophene as corrosion inhibitor of steel in acidic medium

CORROSION INHIBITION OF CuNi10Fe ALLOY WITH PHENOLIC ACIDS

Study of Corrosion Inhibition Mechanism of Sputter-Deposited W-42Cr-5Ni and Cr-10Zr-10w Alloys by Sodium Nitrite as Green Inhibitor in 0.5 M NaCl and 1 M NaOH Solutions

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