Corrosion resistance of the anti-sulfide steel in the CO2/H2S containing solutions

The present work primarily investigates the corrosion characterization of the common P110 steel and the anti‐sulfide P110SS steel in CO2‐containing solution with or without hydrosulfuric acid (H2S) at 70 °C. The electrochemical techniques such as potentiodynamic polarization sweep and electrochemica...

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Veröffentlicht in:	Materials and corrosion 2010-08, Vol.61 (8), p.689-694
Hauptverfasser:	Bai, Z. Q., Yin, Z. F., Wei, D., Wang, X. F., Yin, C. X.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences CO2 corrosion Corrosion Corrosion environments EIS Exact sciences and technology H2S corrosion Metals. Metallurgy P110SS steel
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Beschreibung
Zusammenfassung:	The present work primarily investigates the corrosion characterization of the common P110 steel and the anti‐sulfide P110SS steel in CO2‐containing solution with or without hydrosulfuric acid (H2S) at 70 °C. The electrochemical techniques such as potentiodynamic polarization sweep and electrochemical impedance spectroscopy (EIS) were used to disclose the differences of the corrosion mechanisms between both P110 and P110SS steels in CO2‐containing solution with various additions of H2S. The EIS data fitted by ZsimpWin software were analyzed and discussed. The experimental results indicated that H2S could accelerate and also inhibit the corrosion attack according to the changes of corrosive environments.
ISSN:	0947-5117 1521-4176
DOI:	10.1002/maco.200905286