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Novel Evaluation Of The Failure Of Coatings In A Marine Environment

Novel Evaluation of the Failure of Coatings in a Marine Environment
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The author previously introduced a method to evaluate protective coatings using a novel segmented cell approach. (1)  Briefly, the technique intended to monitor natural current exchange between isolated segments, coated or uncoated, to supplement visual rankings of coating performance.  The goal was to predict failure earlier than might otherwise be visible or to distinguish between coatings that had a similar visual appearance at the end of the proscribed test period.  The experimental design also allowed for the instrumented segments, which act as sensors, to be prepared and coated as intended for a real-world industrial exposure, i.e., the metallic surfaces could be abrasive blasted and painted unlike thin-film, foil-like sensors also explored for similar purposes. 

Product Number: 51322-18033-SG
Author: James A. Ellor
Publication Date: 2022
Industries: Maritime , Corrosion Monitoring and Control , Coatings
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$20.00

This paper will discuss methods to evaluate the corrosion of substrates and breakdown of protective coatings subject to wet-dry cycling in natural and accelerated environments. Principally the discussion concerns the ability to monitor on-going corrosion deterioration to predict coating failure in a real-world environment without having to accelerate (i.e., artificially harshen) the environment.

This paper will discuss methods to evaluate the corrosion of substrates and breakdown of protective coatings subject to wet-dry cycling in natural and accelerated environments. Principally the discussion concerns the ability to monitor on-going corrosion deterioration to predict coating failure in a real-world environment without having to accelerate (i.e., artificially harshen) the environment.

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