Effect of a New Quinoline Inhibitor on Corrosion of X80 Pipeline Steel

Xiao Rui Guan; Da Lei Zhang; Jian Jun Wang; You Hai Jin

doi:10.4028/www.scientific.net/AMM.644-650.5273

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 644-650Effect of a New Quinoline Inhibitor on Corrosion...

Effect of a New Quinoline Inhibitor on Corrosion of X80 Pipeline Steel

Abstract:

The corrosion behavior of X80 pipeline steel with quinoline inhibitor in NACE solution (CO₂ environment) at different temperature/different pH/different inhibitor volume fraction was researched using electrochemical test methods. The results show that as the temperature increases from 30°C to 50°C, CO₂ corrosion of X80 pipeline steel becomes much severer and the inhibition efficiency decreases first and then increases. As the pH increases from 4.15 to 5.76, the inhibition efficiency increases. When the volume fraction of inhibitor ranges from 2% to 4%, the inhibition efficiency increases, and particularly this is more obvious from 2% to 3%.

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Periodical:

Applied Mechanics and Materials (Volumes 644-650)

Pages:

5273-5276

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.644-650.5273

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Online since:

September 2014

Authors:

Xiao Rui Guan*, Da Lei Zhang, Jian Jun Wang, You Hai Jin

Keywords:

CO₂ Corrosion, Different Factors, Quinoline Inhibitor, X80 Steel

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