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Impact and Abrasion Resistant Coatings and Overlays for Immersion Structures in Severe Environments

Impact and Abrasion Resistant Coatings and Overlays for Immersion Structures in Severe Environments
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The U.S. Army Corps of Engineers owns and operates the vast majority of the countries lock and dam structures for inland navigation. The large steel gates on these structures are subjected to a severe impact and abrasive environment while in immersion by debris such as timber, ice, steel drums, etc. High VOC vinyl resin coatings have historically been the best available coatings for these structures in this environment but have exhibited very poor performance at the water line where the impact and abrasion is at its worse. 

Product Number: 51216-003-SG
Author: Jeffrey Ryan, Richard Lampo, Hota V.S. GangaRao, P.V. Vijay
Publication Date: 2016
Industries: Coatings , Coatings and Linings
$0.00
$20.00
$20.00

The U.S. Army Corps of Engineers owns and operates the vast majority of the countries lock and dam structures for inland navigation. The large steel gates on these structures are subjected to a severe impact and abrasive environment while in immersion by debris such as timber, ice, steel drums, etc. High VOC vinyl resin coatings have historically been the best available coatings for these structures in this environment but have exhibited very poor performance at the water line where the impact and abrasion is at its worse. Service life of only 1-2 years for vinyl resin coatings and 5-10 years for metalizing have been the norm. Current demonstrations and laboratory testing of two different ceramic composite coatings and an adhesively applied ultrahigh molecular weight polyethylene (UHMWPE) sheet applied only at the water line have shown to provide superior protection and increased life expectancy, thereby eliminating the need for frequent repair of a high VOC coating

The U.S. Army Corps of Engineers owns and operates the vast majority of the countries lock and dam structures for inland navigation. The large steel gates on these structures are subjected to a severe impact and abrasive environment while in immersion by debris such as timber, ice, steel drums, etc. High VOC vinyl resin coatings have historically been the best available coatings for these structures in this environment but have exhibited very poor performance at the water line where the impact and abrasion is at its worse. Service life of only 1-2 years for vinyl resin coatings and 5-10 years for metalizing have been the norm. Current demonstrations and laboratory testing of two different ceramic composite coatings and an adhesively applied ultrahigh molecular weight polyethylene (UHMWPE) sheet applied only at the water line have shown to provide superior protection and increased life expectancy, thereby eliminating the need for frequent repair of a high VOC coating

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