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Revista ION
versión impresa ISSN 0120-100X
Resumen
MARULANDA AREVALO, José Luddey; PEREZ-MUNOZ, Diego y REMOLINA MILLAN, Aduljay. Corrosion resistance in saline environment of a carbon steel coated with aluminum by thermal spray and painting poly aspartic. Rev. ion [online]. 2017, vol.30, n.1, pp.21-31. ISSN 0120-100X. https://doi.org/10.18273/revion.v30n1-2017002.
The corrosion resistance was assessed in saline environment on a 1020 steel coated with aluminum by arc thermal spraying and then a polyaspartic paint was applied. It was observed that this system has a protection in these environments, reducing the corrosion rate, compared to a bilayer paint system, which consisted of zinc-rich paint layer and polyaspartic coating. Coating characterization was performed by SEM to analyze their behavior with respect to the substrate and paint to meet variations in properties such as adhesion, homogeneity and topography. It was observed that the samples coated with aluminum by thermal spraying showed good corrosion resistance in salt spray the specimens that were not coated, just were protected by the bilayer coating system, even the paint without thermal spraying performed well and that did not fail during the time stipulated in test for salt spray.
Palabras clave : aluminum; corrosion; paint; salt spray; thermal spray.