ELECTROCHEMICAL BEHAVIOR CARBON STEEL IN SEAMUD

J Chin Soc Corr Pro

1999, Vol. 19

Issue (5): 315-318 DOI:

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ELECTROCHEMICAL BEHAVIOR CARBON STEEL IN SEAMUD

Qilong Guo;Zhijun Gu;;

物构所二部

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Abstract The corrosion character of seamud and corrosion electrochemical behavior of carbon steel in seamud were studied by electrochemical impedance spectroscopy.The experimental results showed that the seamud was aggressive in corrosion activity,and that corrosion potential of carbon steel in seamud was -0.75V(SCE),corrosion rate controlled by oxygen diffusion was 2.3μA/cm2, and hydrogen-evolution potential was -0.87V(SCE).The results also indicated that the rust on carbon steel surface led to the inductance inpedance behavior at high frequency during electrochemical impedance measurement.

Key words: seamud carbon steel corrosion electrochemical behavior

Received: 12 October 1998

Corresponding Authors: Qilong Guo

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Cite this article:

Qilong Guo; Zhijun Gu. ELECTROCHEMICAL BEHAVIOR CARBON STEEL IN SEAMUD. J Chin Soc Corr Pro, 1999, 19(5): 315-318 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1999/V19/I5/315

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