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EIS Evaluation of Single Layer Coating Performance in Corrosive Environments

EIS Evaluation of Single Layer Coating Performance in Corrosive Environments
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Substrate preparation which includes the removal of contaminates, abrading or etching to create a surface profile via mechanical or chemical methods have a major impact on the adhesion performance of applied coatings. For coatings, a primary performance characteristic is adhesion after exposure to corrosive environments. One of the consequences of corrosion forming under a coating is the loss of adhesion or delamination of the coating. 

Product Number: 51220-257-SG
Author: Donald C. Lawson III
Publication Date: 2020
Industry: Coatings
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$20.00
$20.00

Substrate preparation which includes the removal of contaminates, abrading or etching to create a surface profile via mechanical or chemical methods have a major impact on the adhesion performance of applied coatings. For coatings, a primary performance characteristic is adhesion after exposure to corrosive environments. One of the consequences of corrosion forming under a coating is the loss of adhesion or delamination of the coating. We used electrochemical impedance spectroscopy (EIS) along with accelerated exposure tests (ultraviolet light cycling with condensation, salt-spray) to determine the influence of corrosion inhibitors on the adhesion of direct-to-metal topcoats.

Substrate preparation which includes the removal of contaminates, abrading or etching to create a surface profile via mechanical or chemical methods have a major impact on the adhesion performance of applied coatings. For coatings, a primary performance characteristic is adhesion after exposure to corrosive environments. One of the consequences of corrosion forming under a coating is the loss of adhesion or delamination of the coating. We used electrochemical impedance spectroscopy (EIS) along with accelerated exposure tests (ultraviolet light cycling with condensation, salt-spray) to determine the influence of corrosion inhibitors on the adhesion of direct-to-metal topcoats.

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