Synergistic effect of nanocoatings for corrosion and wear protection of steel surfaces: Efecto sinérgico de nanorecubrimientos para la protección contra la corrosión y el desgaste de superficies de acero

Jaime Taha-Tijerina, Demófilo Maldonado Cortés, Laura Peña Parás, Antonio Sánchez-Fernández, Pablo Sarmiento, Jesus Rolando Adan

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Abstract

The purpose of this paper is to evaluate the corrosion and wear protection of a steel substrate by epoxy vinyl ester nanocomposite coatings with Zn and TiO2 nanoparticle fillers. Steel substrates were coated with epoxy vinyl ester nanocomposites, varying Zn and TiO2 nanofiller concentrations and combinations of both nanoparticles. Corrosion resistance was evaluated by salt spray fog test during 480 h, according to ASTM B-117. The degree of damage was obtained quantitatively by measuring the enhancement in corroded area compared to the scribe mark. Tribological evaluation was performed with a ball-on-disk tribotester, according to ASTM G-99. Results showed that the combination of Zn and TiO2 nanofillers in an epoxy vinyl ester coating provide a synergistic effect, enhancing corrosion protection due to their combined corrosion and tribological reducing mechanisms
Original languageEnglish
Pages (from-to)1-9
Number of pages10
JournalIngeniería Investigación y Tecnología
Volume20
Issue number4
DOIs
Publication statusAccepted/In press - Oct 2019

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