2017
DOI: 10.17533/udea.redin.n83a05
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Effect of aeration on Tafelian behavior of the carbon steel corrosion in acid sulfate medium

Abstract: This study presents a corrosion analysis of carbon steel by electrochemical polarization tests on a rotating disk electrode at several aeration and hydrodynamic conditions in solution 0.2 mol L -1 K 2 SO 4 at pH 3. The reactions involved in the dissolution of the steel are analyzed by studying the Tafel regions of the polarization curves, confirming that the dissolved oxygen plays a predominant role in the corrosion of the metal. The corrosion rate was 35 times higher in natural aeration conditions than in the… Show more

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Cited by 8 publications
(2 citation statements)
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“…The absence of a linear trend between potential and logarithm of current density characterizes also the anodic branch of the polarization curve of iron in 0.05 M NaCl. This is due to the rapid accumulation of corrosion products (e.g., iron oxides/hydroxides) produced by the metal dissolution [26], resulting in a partially diffusion-controlled mechanism (not modelled by the Tafel equation).…”
Section: Ea and Fpw Extract As Corrosion Inhibitors Of Iron In Chlorimentioning
confidence: 99%
See 1 more Smart Citation
“…The absence of a linear trend between potential and logarithm of current density characterizes also the anodic branch of the polarization curve of iron in 0.05 M NaCl. This is due to the rapid accumulation of corrosion products (e.g., iron oxides/hydroxides) produced by the metal dissolution [26], resulting in a partially diffusion-controlled mechanism (not modelled by the Tafel equation).…”
Section: Ea and Fpw Extract As Corrosion Inhibitors Of Iron In Chlorimentioning
confidence: 99%
“…Processes 2020, 8, x FOR PEER REVIEW 10 of 13 metal dissolution [26], resulting in a partially diffusion-controlled mechanism (not modelled by the Tafel equation).…”
Section: Ea and Fpw Extract As Corrosion Inhibitors Of Iron In Chlorimentioning
confidence: 99%