ChemInform Abstract: Physico‐Chemical Characterization of Corrosion Layers Formed on Iron in a Sodium Carbonate‐Bicarbonate Containing Environment.

Blengino, J. M.; Keddam, M.; Labbé, Jérôme; Robbiola, Luc

doi:10.1002/chin.199532013

ChemInform

1995

DOI: 10.1002/chin.199532013

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ChemInform Abstract: Physico‐Chemical Characterization of Corrosion Layers Formed on Iron in a Sodium Carbonate‐Bicarbonate Containing Environment.

J. M. Blengino

M. Keddam

Jérôme Labbé

et al.

Abstract: ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.

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Role of HCO3- and Cl- in the Pitting of 20CrMo Steel in simulated oil field environment

Wang¹

2017

International Journal of Electrochemical Science

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In this study, the effects of HCO 3 -and Cl -concentrations on the pitting behavior of 20CrMo steel were investigated by potential polarization curve, electrochemical impedance spectroscopy and MottSchottky measurements. In addition, the concentrations of HCO 3 -and Cl -in a simulated oil field environment were varied to investigate the interactions between HCO 3 -and Cl -. The results indicated that with increasing HCO 3 -concentration, the passivation of HCO 3 -is enhanced, leading to the increase in the corrosion and pitting potentials and decrease in the number of defects in the passivation film as well as the corrosion current. With increasing Cl -concentration, the erosion became severe, resulting in the loosening and breaking of the passivation film as well as the easy formation of holes. The [Cl -]/[HCO 3 -] ratio exhibited a concentration threshold. The passivation of HCO 3 -played a dominant role below the critical value; the erosion effect of Cl -is main role above the critical value and 20CrMo steel occurs dissolution.

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Role of HCO3- and Cl- in the Pitting of 20CrMo Steel in simulated oil field environment

Wang¹

2017

International Journal of Electrochemical Science

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ChemInform Abstract: Physico‐Chemical Characterization of Corrosion Layers Formed on Iron in a Sodium Carbonate‐Bicarbonate Containing Environment.

Cited by 1 publication

References 1 publication

Role of HCO3- and Cl- in the Pitting of 20CrMo Steel in simulated oil field environment

Role of HCO3- and Cl- in the Pitting of 20CrMo Steel in simulated oil field environment

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