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Coating Failures on Painted Galvanized Mast Arms

Coating Failures on Painted Galvanized Mast Arms
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Galvanized mast arms support uncounted numbers of traffic signals and signage throughout the United States. The proportion of these that have a “duplex” coating system (both galvanizing and organic coatings) is unknown. However, the number is surely significant, and the number of coating system failures is also significant. 

Product Number: 41208-402-SG
Author: Paul Vinik, Richard A. Burgess
Publication Date: 2008
Industry: Coatings
$0.00
$20.00
$20.00

Galvanized mast arms support uncounted numbers of traffic signals and signage throughout the United States. The proportion of these that have a “duplex” coating system (both galvanizing and organic coatings) is unknown. However, the number is surely significant, and the number of coating system failures is also significant. The Florida Department of Transportation has estimated there are at least 2,400 mast arm coating failures throughout the State, 150 in the Jacksonville, FL area alone. The authors will discuss findings and experiences from investigating the causes for failures of the mast arm duplex systems and remedies available to owners.

Galvanized mast arms support uncounted numbers of traffic signals and signage throughout the United States. The proportion of these that have a “duplex” coating system (both galvanizing and organic coatings) is unknown. However, the number is surely significant, and the number of coating system failures is also significant. The Florida Department of Transportation has estimated there are at least 2,400 mast arm coating failures throughout the State, 150 in the Jacksonville, FL area alone. The authors will discuss findings and experiences from investigating the causes for failures of the mast arm duplex systems and remedies available to owners.

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Product Number: 41209-514-SG
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Causes of Coating Failures

Product Number: 41209-512-SG
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Industrial and marine protective coating systems are most commonly applied without incident and perform as expected over their anticipated service life. However, occasionally, a coating system will fail prematurely, for unexpected reasons, and with expensive consequences. This paper addresses those unexpected failures and provides reasons and remedies for such occurrences.
Coating Failure Over Gaps and Fasteners
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Product Number: 51217-043-SG
Author: Aaron J. Feickert , S.G. Croll
Publication Date: 2017
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The application of paints and other coatings over joints, gaps, and fasteners is universal in industrial applications. Where substrate flexing occurs, such as in aerospace and automotive use, an understanding of strains within such systems is essential. Results of finite-element analysis of various two- and three-dimensional models of coated joints are presented here. 
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