Effect of Fe ion concentration on corrosion of carbon steel in CO2 environment

Magdalena Rogowska, J. Gudme, A. Rubin, Karen Pantleon, Rajan Ambat

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In this work, the corrosion behaviour of steel wires in solutions containing different concentrations of Fe2+ was investigated by the linear polarisation resistance method, while the evolution of pH was monitored in situ and changes of the Fe2+ concentration were monitored ex situ. Characterisation of the corrosion scales was performed using microscopic and diffraction techniques. Scale analysis revealed that the passivation of samples, exposed to initially highly Fe2+ supersaturated solution, occurred when a formation of a double layer took place, resulting in 30 times lower corrosion rate compared to samples tested in solutions without initial Fe2+.
Original languageEnglish
JournalCorrosion Engineering, Science and Technology
Issue number1
Pages (from-to)25-36
Publication statusPublished - 2016


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