Simulation of cathodic disbonding of protective coatings. Review
DOI:
https://doi.org/10.31471/2311-1399-2021-2(16)-56-65Keywords:
cathodic disbondment modeling, cathodic polarization, coating degradation, protective potential.Abstract
A review of the literature on the modeling of cathodic disbondment of protective coatings, which is an important
characteristic of coatings, as well as methods of its study, is carried out. To study the disbondment mechanism of coatings in real conditions, models of installations have been developed, in which the influence of various factors in the electrolyte volume are taken into account, such as environment (with different pH, oxygen and carbon dioxide containing), the level of cathodic polarization, configuration, and size of an artificial defect, etc. Modeling of the conditions of thin-film corrosion under disbonded coating, typical for underground pipelines with complex protection, is promising.
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