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Effects of Hydrogen on Electrochemical Behaviors of X80 Steel in Simulated Soil Solution

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Abstract:

X80 pipeline steel specimens were treated by electrochemical hydrogen charging under various current density and charging time. The polarization resistance and corrosion rate of X80 steel were analyzed in Yingtan simulated soil solution under the different hydrogen charging conditions. The results showed that hydrogen accelerated anodic dissolution and enhanced corrosion sensitivity. With hydrogen in the steel, the charge transfer resistance and polarization resistance decreased, double electric layer capacitor and corrosion current increased. The effects were enhanced with the increase of hydrogen charging time and current density.

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Periodical:

Advanced Materials Research (Volumes 335-336)

Pages:

468-473

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.335-336.468

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Online since:

September 2011

Authors:

Chuan He, Xu Chen, Yang Xu, Zhi Yong Liu

Keywords:

Corrosion, Electrochemical (EC), Electrochemical Hydrogen Charging, Simulated Soil Solution, X80 Steel

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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