Electrical Measurements Applied to Corrosion Investigations

Schneider, W.; Hendrickson, David H.

doi:10.5006/0010-9312-10.10.337

Cited by 1 publication

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“…For instance, with the use of the Pearson Holliday detector in 1941, it was possible to carry out field measurements of current flows between tubes and the ground, thus identifying the location of coatings defects with precision [10]. In a similar configuration, a McCollum ground current meter was employed in pipe-to-soil potential tests connecting a battery, voltmeter, and millimeter in 1952 [11]. The apparatus allowed the identification and location of corrosion sites in coatings through the potential drop along the length of the tube.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Characterization of Polymeric Coatings for Corrosion Protection: A Review of Advances and Perspectives

et al. 2022

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The development of anti-corrosion polymeric coatings has grown exponentially in the fields of material science, chemistry, engineering, and nanotechnology during the last century and has prompted the evolution of efficient characterization techniques. Nowadays, polymeric coatings represent a well-established protection system that provides a barrier between a metallic substrate and the environment. However, the increase in complexity and functionality of these coatings requires high-precision techniques capable of predicting failures and providing smart protection. This review summarizes the state of the art for the main electrochemical techniques, emphasizing devices that track the anti-corrosion properties of polymeric coatings from the macroscale to the nanoscale. An overview of the advances in accelerated corrosion testing and the electrochemical characterization of coatings is explored, including insights into their advantages and limitations. In addition, the challenges and potential applications of the theoretical approaches are summarized based on current knowledge. Finally, this work provides the reader with the trends and challenges of designing future technologies and models capable of tracking corrosion and predicting failures.

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Section: Introductionmentioning

confidence: 99%