Voltammetric Analysis on the Formation of Fe(OH)2 and FeCO3, and on the Reactivity of Passivation of Steel in Carbonate Solutions

Faysal Fayez Eliyan; J. R. Kish; Akram Alfantazi

doi:10.1007/s11665-015-1525-y

Voltammetric Analysis on the Formation of Fe(OH)₂ and FeCO₃, and on the Reactivity of Passivation of Steel in Carbonate Solutions

Faysal Fayez Eliyan, J. R. Kish, Akram Alfantazi

Chemical and Petroleum Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

This paper examines the simultaneous dissolution and the formation of Fe(OH)₂ and FeCO₃ in carbonate solutions. It re-evaluates some of the early findings on Fe(OH)₂ outlining that it forms with kinetics interfering with that of FeCO₃. The formation and electroreactivity of FeCO₃ are investigated in detail. The electrochemical significance of the thickness and reactivity of the passive films are linked to the carbonate concentration, cyclic voltammetry scans, and the cathodic reduction of oxygen and water. The cathodic currents were indicative of the thickness and reactivity of the passive films, which increased with the carbonate concentration and higher cycling.

Original language	British English
Article number	1525
Pages (from-to)	2473-2480
Number of pages	8
Journal	Journal of Materials Engineering and Performance
Volume	24
Issue number	6
DOIs	https://doi.org/10.1007/s11665-015-1525-y
State	Published - 26 Jun 2015

Keywords

carbon steel
cyclic voltammetry
passive films

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title = "Voltammetric Analysis on the Formation of Fe(OH)2 and FeCO3, and on the Reactivity of Passivation of Steel in Carbonate Solutions",

abstract = "This paper examines the simultaneous dissolution and the formation of Fe(OH)2 and FeCO3 in carbonate solutions. It re-evaluates some of the early findings on Fe(OH)2 outlining that it forms with kinetics interfering with that of FeCO3. The formation and electroreactivity of FeCO3 are investigated in detail. The electrochemical significance of the thickness and reactivity of the passive films are linked to the carbonate concentration, cyclic voltammetry scans, and the cathodic reduction of oxygen and water. The cathodic currents were indicative of the thickness and reactivity of the passive films, which increased with the carbonate concentration and higher cycling.",

keywords = "carbon steel, cyclic voltammetry, passive films",

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AU - Eliyan, Faysal Fayez

AU - Kish, J. R.

AU - Alfantazi, Akram

N1 - Funding Information: This publication was made possible by NPRP Grant # 09-211-2-089 from the Qatar National Research Fund (a member of Qatar Foundation). Publisher Copyright: © 2015, ASM International.

PY - 2015/6/26

Y1 - 2015/6/26

N2 - This paper examines the simultaneous dissolution and the formation of Fe(OH)2 and FeCO3 in carbonate solutions. It re-evaluates some of the early findings on Fe(OH)2 outlining that it forms with kinetics interfering with that of FeCO3. The formation and electroreactivity of FeCO3 are investigated in detail. The electrochemical significance of the thickness and reactivity of the passive films are linked to the carbonate concentration, cyclic voltammetry scans, and the cathodic reduction of oxygen and water. The cathodic currents were indicative of the thickness and reactivity of the passive films, which increased with the carbonate concentration and higher cycling.

AB - This paper examines the simultaneous dissolution and the formation of Fe(OH)2 and FeCO3 in carbonate solutions. It re-evaluates some of the early findings on Fe(OH)2 outlining that it forms with kinetics interfering with that of FeCO3. The formation and electroreactivity of FeCO3 are investigated in detail. The electrochemical significance of the thickness and reactivity of the passive films are linked to the carbonate concentration, cyclic voltammetry scans, and the cathodic reduction of oxygen and water. The cathodic currents were indicative of the thickness and reactivity of the passive films, which increased with the carbonate concentration and higher cycling.

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KW - cyclic voltammetry

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DO - 10.1007/s11665-015-1525-y

M3 - Article

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JO - Journal of Materials Engineering and Performance

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ER -

Voltammetric Analysis on the Formation of Fe(OH)₂ and FeCO₃, and on the Reactivity of Passivation of Steel in Carbonate Solutions

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Keywords

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