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Since the 1980s, fluoropolymer resin technologies have offered the possibility of a quantum improvement in topcoat decorative properties- gloss and color retention- compared to conventional acrylic and polyester resins. Specifiers of both protective and architectural restoration coatings systems have expressed a need for a new SSPC standard for field-applied fluoropolymer topcoats, particularly for bright and saturated colors.
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Zinc rich coatings have long been used in the protective coatings industry as one of the primary means of steel substrate protection against corrosion. The primary protection mechanism has historically been galvanic sacrificial loss of zinc metal and the simultaneous formation of protective zinc oxides and salts. Various standards and customer specifications exist to ensure that the coating will provide the necessary corrosion protection for the life of the asset.
Asset owners spend significant monies each year on the construction of new and the maintenance of existing infrastructure. More than ever, these funds can be difficult to procure and budget. The owners include, both municipal and industrial entities and funds are limited in most cases, therefore, asset service life is very important to all parties.
Structural, ballistic, and mobility requirements have led to the selection of aluminum alloy 2519 as the primary structural material for the Advanced Amphibious Assault Vehicle (AAAV). Two-year seawater alternate immersion exposures of welded AI 2519 panels with and without protective coatings were conducted to simulate the expected AAAV service environment.
This paper is a significant update to “Costing Considerations for Maintenance and New Construction Coating Work”1 on protective coating costing and selection co-authored by M. F. Melampy, M. P. Reina and K. R. Shields in 1998. Designed to assist the coatings engineer or specifier in identifying suitable protective coating systems for specific industrial environments.
Optimisation of maintenance and inspection programmes through risk analysis can be used for coating maintenance. The risk picture can be described by 1) Scenario, 2) Frequencies, and 3) Consequences, for protective coatings. A systematic approach for optimisation of the maintenance programme has been developed.
Update to “Expected Service Life and Cost Considerations for Maintenance and New Construction Protective Coating Work” - NACE Corrosion 2014.Designed to assist the coatings engineer or specifier in identifying candidate protective coating systems for specific industrial environments.
Requirements for corrosion protection for new large offshore wind farms are extended to 25 years’ maintenance-free service lifetime. Therefore, ISO 12944 is being updated. To bring down construction cost for offshore wind, initiatives have been taken to industrialize the coating application process and use standard components.
This paper shows, through research, that systems enhanced with VCI inhibitors can greatly improve the corrosion resistance of both solvent and waterborne coatings.
An update to “Expected Service Life and Cost Considerations for Maintenance and New Construction Protective Coating Work” 2016. Identifying candidate protective coating systems for specific environments.
How corrosion of steel during the initial stages of coating deterioration can be substantial—in fact corrosion rates can exceed that of boldly exposed steel. Coating selection, design assumptions and maintenance intervals are discussed.
Special enhancements: (1) use the high temperature reference electrode - Ag/AgCl; (2) define the test temperature measurement procedure; (3) check the accuracy of the reference electrode; (4) develop an inexpensive anode isolation method.