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Arc Sprayed Zinc Metalizing For Cathodic Protection Of Reinforced Concrete Structures

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Corrosion of reinforcing steel is the most significant cause of deterioration of reinforced concrete structures. Exposure to de-icing salts, seawater and chloride-containing set accelerators can play a significant role in reinforcing steel corrosion. Long-term exposure to carbon dioxide is also cited as a contributor to the corrosion of steel in concrete as well.

Product Number: 51322-17571-SG
Author: David Whitmore, Travis Marmon, Haixue Liao
Publication Date: 2022
Industries: Water/Wastewater , Corrosion Monitoring and Control , Coatings
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Reinforced concrete structures can corrode if they are exposed to chlorides or if the pH of the concrete decreases over time. Arc-sprayed zinc coatings are versatile and can be used as part of a cathodic protection system to halt corrosion and extend service life. Arc-sprayed zinc coatings are multi-functional and can be used as part of impressed current cathodic protection systems or they can be used to provide galvanic cathodic protection.

This paper describes the development and use of arc-sprayed zinc coatings for cathodic protection of steel in reinforced concrete structures.

Arc-sprayed zinc coatings were first used in 1983 as part of an impressed current cathodic protection systems. Activated and inactivated arc-sprayed zinc coatings were first used for galvanic cathodic protection in 1988 System descriptions, project lists and performance data for arc-sprayed zinc in both impressed current cathodic protection and galvanic cathodic protection applications will be presented.

Reinforced concrete structures can corrode if they are exposed to chlorides or if the pH of the concrete decreases over time. Arc-sprayed zinc coatings are versatile and can be used as part of a cathodic protection system to halt corrosion and extend service life. Arc-sprayed zinc coatings are multi-functional and can be used as part of impressed current cathodic protection systems or they can be used to provide galvanic cathodic protection.

This paper describes the development and use of arc-sprayed zinc coatings for cathodic protection of steel in reinforced concrete structures.

Arc-sprayed zinc coatings were first used in 1983 as part of an impressed current cathodic protection systems. Activated and inactivated arc-sprayed zinc coatings were first used for galvanic cathodic protection in 1988 System descriptions, project lists and performance data for arc-sprayed zinc in both impressed current cathodic protection and galvanic cathodic protection applications will be presented.

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