Abstract
Effective corrosion monitoring can be achieved using mobile potenciostat through the selection of appropriate monitoring methods and special kind of sensor. Stern polarization technique in non-invasive arrangement was used to monitor OCP potential and actual corrosion rate of pipeline with corrosion products in soil mixture. Using global database with range of minimum and maximum corrosion rate limits obtained from terrain measurements we can determine active or passive role of corrosion products and assess risk joint with aggressiveness of soil in location of interest. Finally, values were divided between high active, medium active and passive corrosion. Output is alarm, which can help in decision if reconstruction of underground pipelines where isolation failure in time is sufficient or not. When done properly, corrosion monitoring using non-invasive in-situ technique can serve as an early warning system before the onset of corrosion-related failures.Fig. 1 Non-invasive corrosion monitoring on underground pipelines
Published Version
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