A Mechanistic Model for Carbon Dioxide Corrosion of Mild Steel in the Presence of Protective Iron Carbonate Films—Part 1: Theory and Verification
Source abstract
Abstract
A mechanistic model of uniform carbon dioxide (CO2) corrosion is presented that covers the following: electrochemical reactions at the steel surface, diffusion of species between the metal surface and the bulk including diffusion through porous surface films, migration due to establishment of potential gradients, and homogenous chemical reactions including precipitation of surface films. The model can predict the corrosion rate as well as the concentration and flux profiles for all species involved. Comparisons with laboratory experiments have revealed the strengths of the model such as its ability to assist in understanding complex processes taking place during corrosion in the presence of surface films.
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Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Concrete Corrosion and Durability · CO2 Sequestration and Geologic Interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
*Institute for Energy Technology, N-2027 Kjeller, Norway.
**Institute for Energy Technology, N-2027 Kjeller, Norway. Present address: Institute for Corrosion and Multiphase Flow Technology, Chemical Engineering Department, Ohio University, 340 ½ W. State St., Stocker Center, Athens, OH 45701.
***Institute for Energy Technology, N-2027 Kjeller, Norway.
****Institute for Energy Technology, N-2027 Kjeller, Norway.
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