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TU Erosion/Corrosion Research Center


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One of the seminal methods for corrosion prevention in oil pipelines is the application of corrosion inhibitors to the steel, pipeline surfaces. Since the efficiency of the inhibitors is intimately connected with the interaction between the molecular inhibitor and the metal surface, a complete characterization of these interactions is required, particularly of relevant systems like inhibitors on carbon steel. Scanning probe techniques, like scanning tunneling microscopy (STM) and atomic force microscopy (AFM), are ideally suited to examine these types of interactions with molecular-scale resolution. The use of liquid and electrochemical STM/AFM combines the nanoscale resolution of these techniques with the "real-world" conditions present in a corrosive environment, such as corrosive media, high temperatures, and specific gas atmospheres. Electrochemical potentials can be used to control the rate of corrosion through the application of anodic or cathodic currents into the metal. Additionally, collaboration with the prominent Erosion/Corrosion Research Center at TU will facilitate the application of these fundamental findings to applied experiments in the future.

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