Synergistic corrosion protection for galvanized steel in 3.0% NaCl solution by sodium gluconate and cationic surfactant

Azaroual, M.A.; Harrak, El Fadil El; Touir, R.; Rochdi, A.; Touhami, M. Ebn

doi:10.1016/j.molliq.2016.04.117

Cited by 37 publications

(22 citation statements)

References 47 publications

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“…In this context, Singh et al (1979) have considered that the increase in temperature caused an increase in the electron density at the adsorption centers, which improved the inhibition efficiency. The same results were obtained in the case of inhibition of galvanized steel in 3.0% NaCl (Azaroual et al 2016). …”

Section: Effect Of Temperaturesupporting

confidence: 78%

Corrosion inhibition studies for mild steel in 5.0 M HCl by substituted phenyltetrazole

Kacimi

Azaroual²,

Touir

et al. 2017

Euro-Mediterr J Environ Integr

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The inhibition efficiency of three substituted phenyltetrazole compounds, namely 5-(4-chlorophenyl)-1H-tetrazole (Cl-PT), 5-(4-methoxyphenyl)-1H-tetrazole (MO-PT), and 5-phenyl-1H-tetrazole (PT), for mild steel corrosion in 5.0 M HCl solution was\ investigated using weight loss measurements and electrochemical study. It is showed that these compounds are good inhibitors for mild steel corrosion in 5.0 M HCl solution which act as cathodic type inhibitors. So, the inhibition efficiency was increased with inhibitor concentration in the order of Cl-PT [ MO-PT [ PT which depended on their molecular structures. It is found also that these compounds toke its performance at different temperatures range from 298 to 328 K. In addition, the thermodynamic adsorption parameters at different concentrations were investigated and discussed. Finally, it is seen that the inhibition efficiency of the studied compounds increased with immersion time to reach a maximum at 12 h.

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Section: Effect Of Temperaturesupporting

confidence: 78%

Corrosion inhibition studies for mild steel in 5.0 M HCl by substituted phenyltetrazole

Kacimi

Azaroual²,

Touir

et al. 2017

Euro-Mediterr J Environ Integr

Self Cite

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“…The higher values of E a in inhibited solution may also be correlated with the increased thickness of double layer, which enhances the E a values of the corrosion reaction [51,52]. Also the positive values of the enthalpy of activation show that the steel corrosion process is endothermic and the dissolution of steel is difficult [51].…”

Section: Kinetic Parameters Of Activationmentioning

confidence: 99%

“…Also the positive values of the enthalpy of activation show that the steel corrosion process is endothermic and the dissolution of steel is difficult [51]. As regards the entropy, it is used to describe the phenomenon of ordering and disordering of system, the value of ∆S a in the absence of inhibitor is negative and tends to increase in presence of both inhibitors (Table 7).…”

Section: Kinetic Parameters Of Activationmentioning

confidence: 99%

Synthesis and characterization of new quinoxaline d erivatives of 8- hydroxyquinoline as corrosion inhibitors for mild s teel in 1.0 M HCl medium

Rbaa¹,

Galai²,

Faydy³

et al. 2018

jmes

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“…Some authors assign the high‐frequency time constant to the faradic process described by a charge transfer resistance and a double layer capacitance (sometimes substituted by a constant phase element [CPE]), while the middle‐frequency time constant to the contribution of the corrosion product layer. However, other authors suggest the opposite.…”

Section: Resultsmentioning

confidence: 94%

“…Many different organic compounds have been investigated as potential corrosion inhibitors for zinc substrates. They are, for example, polyethylene glycol, pyrrole derived, organic onium compounds, 8‐hydroxyquinoline, amines, salicylideneaniline, benzotriazoles, phytic acid, surfactants, sulfonates, and carboxylates . Among them, the latter are investigated mainly in the form of salts of weak acids thanks to their relatively good solubility in water and inhibition efficiency.…”

Section: Introductionmentioning

confidence: 99%

Sebacic acid as corrosion inhibitor for hot‐dip galvanized (HDG) steel in 0.1 M NaCl

Fedel

Poelman

Olivier

et al. 2019

Surface & Interface Analysis

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The potential of sebacic acid as a corrosion inhibitor for hot-dip galvanized steel in 0.1 M NaCl solution has been investigated. Different concentrations of the organic acid have been tested in order to understand the inhibition mechanism of the compound. The electrochemical test revealed a competitive mechanism between the dissolution of the metal in the acidified solution and the inhibition provided by the dicarboxylic species. The formation of a whitish layer consisting of zinc carboxylates and corrosion products was proved by means of scanning electron microscopy (SEM) investigation combined with Fourier transform infrared (FT-IR) analysis. A bidentate bridging coordination between the Zn(II) and the carboxylic species is suggested.

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Synergistic corrosion protection for galvanized steel in 3.0% NaCl solution by sodium gluconate and cationic surfactant

Cited by 37 publications

References 47 publications

Corrosion inhibition studies for mild steel in 5.0 M HCl by substituted phenyltetrazole

Corrosion inhibition studies for mild steel in 5.0 M HCl by substituted phenyltetrazole

Synthesis and characterization of new quinoxaline d erivatives of 8- hydroxyquinoline as corrosion inhibitors for mild s teel in 1.0 M HCl medium

Sebacic acid as corrosion inhibitor for hot‐dip galvanized (HDG) steel in 0.1 M NaCl

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