Atmospheric corrosion of carbon steel: Results of one-year exposure in an andean tropical atmosphere in Colombia

In this study was examined the response of carbon steel to atmospheric corrosion after one-year exposure in Valle de Aburrá, a subregion located in northwestern Colombia. The study involved the assessment of material mass loss and corrosion rate, the characterization of atmospheric aggressiveness, and the analysis of the morphology and composition of corrosion products in five different sites. Climatological and meteorological factors were assessed by testing for chloride content, sulfur dioxide levels, and time of wetness (TOW). The analysis of corrosion products was conducted using scanning electron microscopy (SEM), X-ray diffraction (XRD), and Raman spectroscopy. Based on corrosion rates, two sites exhibited a more aggressive environment, with a corrosivity category of C3, while the remaining sites were categorized as C2. The study confirmed the presence of lepidocrocite and goethite phases on the surface of carbon steel at all test sites. Data analysis revealed that both the TOW and the industrial activity significantly influence the corrosion of this metal.

• Autores: Montoya Alzate, Diego Alejandro; Gómez Botero, Maryory Astrid; Castaño González, Juan Guillermo; Tamayo Sepúlveda, José Adrián; Baena Pérez, Libia María; Santa Chalarca, Ana Carolina
• Tipo de recurso: Article of investigation
• Fecha de publicación: 2024
• Institución: Universidad de Antioquia
• Repositorio: Repositorio UdeA
• Idioma: eng
• OAI Identifier: oai:bibliotecadigital.udea.edu.co:10495/46098
• Acceso en línea: https://hdl.handle.net/10495/46098
• Palabra clave: Carbon steel; Acero al carbono; Aleación ferrosa; Ferrous alloys; Atmosphere; Atmósfera; Corrosion; Corrosión; http://aims.fao.org/aos/agrovoc/c_03079252; http://aims.fao.org/aos/agrovoc/c_8994; http://aims.fao.org/aos/agrovoc/c_24011; http://id.loc.gov/authorities/subjects/sh85020126; ODS 9: Industria, innovación e infraestructura. Construir infraestructuras resilientes, promover la industrialización inclusiva y sostenible y fomentar la innovación; ODS 11: Ciudades y comunidades sostenibles. Lograr que las ciudades y los asentamientos humanos sean inclusivos, seguros, resilientes y sostenibles; ODS 13: Acción por el Clima. Adoptar medidas urgentes para combatir el cambio climático y sus efectos; ODS 12: Producción y consumo responsables. Garantizar modalidades de consumo y producción sostenibles
• Rights: openAccess
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/