Dissemin is shutting down on January 1st, 2025

Published in

Elsevier, Progress in Organic Coatings, 12(77), p. 2076-2083

DOI: 10.1016/j.porgcoat.2013.12.013

Links

Tools

Export citation

Search in Google Scholar

Determination of resistivity profiles in anti-corrosion coatings from constant-phase-element parameters

This paper is available in a repository.
This paper is available in a repository.

Full text: Download

Green circle
Preprint: archiving allowed
Red circle
Postprint: archiving forbidden
Red circle
Published version: archiving forbidden
Data provided by SHERPA/RoMEO

Abstract

A recently proposed model which explains the CPE response exhibited by metal/coating/electrolyte sys-tems as the result of power-law dependences of the coating resistivity and permittivity along theirthickness is revisited and applied to three different coating/electrolyte combinations. It is shown thatresistivity profiles may be determined, and their evolution with the time of exposure may be followed.The effect of the assumptions made on coating and electrolyte resistivity on the regressed parametersis discussed and the factors which affect the reliability of the measured water uptake are highlighted.It is shown that both the composition of the coating and that of the test solutions influence the timedependence of the coating performance.