Electrochemical corrosion behavior of high strength carbon steel in H2SContaining alkaline brines

R. Feng; J. Beck; A. Buyuksagis; I. Wolfe; R. Cianni; M. Ziomek-Moroz; S. N. Lvov

doi:10.1149/06617.0013ecst

Electrochemical corrosion behavior of high strength carbon steel in H²SContaining alkaline brines

R. Feng, J. Beck, A. Buyuksagis, I. Wolfe, R. Cianni, M. Ziomek-Moroz, S. N. Lvov

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

The electrochemical corrosion behavior of high strength low alloy carbon steel API S-135 was investigated using in-situ electrochemical measurements, ex situ surface analyses, and software modeling in the alkaline brines at pH of 7.9, 10.7, and 12.4 and at four different P_H2S equal to 0 kPa, 0.83 kPa, 8.3 kPa, and 69 kPa at 85 °C. Linear polarization resistance (R_pol) at steady state increased as pH increased from 7.9 to 12.4 at lower P_H2S whereas R_pol decreased and then increased at higher P_H2S. The fastest corrosion rate (CR) was 0.26 mm yr^-1 at pH 10.7 with P_H2S 69 kPa, and the slowest CR was 0.0053 mm yr^-1 at pH 12.4 with P_H2S 0.83 kPa. The correlation between the primary species, corrosion products, localized corrosion and R_pol were discussed. The experimental CR and corrosion products were compared with the modeling CR and Pourbaix diagram.

Original language	English (US)
Title of host publication	Corrosion General Session
Editors	R. Buchheit
Publisher	Electrochemical Society Inc.
Pages	13-36
Number of pages	24
Edition	17
ISBN (Electronic)	9781607685395
DOIs	https://doi.org/10.1149/06617.0013ecst
State	Published - Jan 1 2015
Event	Symposium on Corrosion General Session - 227th ECS Meeting - Chicago, United States Duration: May 24 2015 → May 28 2015

Publication series

Name	ECS Transactions
Number	17
Volume	66
ISSN (Print)	1938-6737
ISSN (Electronic)	1938-5862

Other

Other	Symposium on Corrosion General Session - 227th ECS Meeting
Country/Territory	United States
City	Chicago
Period	5/24/15 → 5/28/15

All Science Journal Classification (ASJC) codes

Engineering(all)

Access to Document

10.1149/06617.0013ecst

Cite this

Feng, R., Beck, J., Buyuksagis, A., Wolfe, I., Cianni, R., Ziomek-Moroz, M., & Lvov, S. N. (2015). Electrochemical corrosion behavior of high strength carbon steel in H²SContaining alkaline brines. In R. Buchheit (Ed.), Corrosion General Session (17 ed., pp. 13-36). (ECS Transactions; Vol. 66, No. 17). Electrochemical Society Inc.. https://doi.org/10.1149/06617.0013ecst

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title = "Electrochemical corrosion behavior of high strength carbon steel in H2SContaining alkaline brines",

abstract = "The electrochemical corrosion behavior of high strength low alloy carbon steel API S-135 was investigated using in-situ electrochemical measurements, ex situ surface analyses, and software modeling in the alkaline brines at pH of 7.9, 10.7, and 12.4 and at four different PH2S equal to 0 kPa, 0.83 kPa, 8.3 kPa, and 69 kPa at 85 °C. Linear polarization resistance (Rpol) at steady state increased as pH increased from 7.9 to 12.4 at lower PH2S whereas Rpol decreased and then increased at higher PH2S. The fastest corrosion rate (CR) was 0.26 mm yr-1 at pH 10.7 with PH2S 69 kPa, and the slowest CR was 0.0053 mm yr-1 at pH 12.4 with PH2S 0.83 kPa. The correlation between the primary species, corrosion products, localized corrosion and Rpol were discussed. The experimental CR and corrosion products were compared with the modeling CR and Pourbaix diagram.",

author = "R. Feng and J. Beck and A. Buyuksagis and I. Wolfe and R. Cianni and M. Ziomek-Moroz and Lvov, {S. N.}",

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Feng, R, Beck, J, Buyuksagis, A, Wolfe, I, Cianni, R, Ziomek-Moroz, M & Lvov, SN 2015, Electrochemical corrosion behavior of high strength carbon steel in H²SContaining alkaline brines. in R Buchheit (ed.), Corrosion General Session. 17 edn, ECS Transactions, no. 17, vol. 66, Electrochemical Society Inc., pp. 13-36, Symposium on Corrosion General Session - 227th ECS Meeting, Chicago, United States, 5/24/15. https://doi.org/10.1149/06617.0013ecst

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AU - Feng, R.

AU - Beck, J.

AU - Buyuksagis, A.

AU - Wolfe, I.

AU - Cianni, R.

AU - Ziomek-Moroz, M.

AU - Lvov, S. N.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - The electrochemical corrosion behavior of high strength low alloy carbon steel API S-135 was investigated using in-situ electrochemical measurements, ex situ surface analyses, and software modeling in the alkaline brines at pH of 7.9, 10.7, and 12.4 and at four different PH2S equal to 0 kPa, 0.83 kPa, 8.3 kPa, and 69 kPa at 85 °C. Linear polarization resistance (Rpol) at steady state increased as pH increased from 7.9 to 12.4 at lower PH2S whereas Rpol decreased and then increased at higher PH2S. The fastest corrosion rate (CR) was 0.26 mm yr-1 at pH 10.7 with PH2S 69 kPa, and the slowest CR was 0.0053 mm yr-1 at pH 12.4 with PH2S 0.83 kPa. The correlation between the primary species, corrosion products, localized corrosion and Rpol were discussed. The experimental CR and corrosion products were compared with the modeling CR and Pourbaix diagram.

AB - The electrochemical corrosion behavior of high strength low alloy carbon steel API S-135 was investigated using in-situ electrochemical measurements, ex situ surface analyses, and software modeling in the alkaline brines at pH of 7.9, 10.7, and 12.4 and at four different PH2S equal to 0 kPa, 0.83 kPa, 8.3 kPa, and 69 kPa at 85 °C. Linear polarization resistance (Rpol) at steady state increased as pH increased from 7.9 to 12.4 at lower PH2S whereas Rpol decreased and then increased at higher PH2S. The fastest corrosion rate (CR) was 0.26 mm yr-1 at pH 10.7 with PH2S 69 kPa, and the slowest CR was 0.0053 mm yr-1 at pH 12.4 with PH2S 0.83 kPa. The correlation between the primary species, corrosion products, localized corrosion and Rpol were discussed. The experimental CR and corrosion products were compared with the modeling CR and Pourbaix diagram.

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