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dc.contributor.authorCalderon-Hernandez J.W.
dc.contributor.authorHincapie-Ladino D.
dc.contributor.authorMagnabosco R.
dc.contributor.authorAlonso-Falleiros N.
dc.date.accessioned2019-08-20T00:17:37Z
dc.date.available2019-08-20T00:17:37Z
dc.date.issued2019
dc.identifier.citationCALDERÓN-HERNÁNDEZ, JOSÉ WILMAR; HINCAPIE-LADINO, D.; MAGNABOSCO, R.; ALONSO-FALLEIROS, Neusa. Effect of sulfate on the pitting potential of austenitic stainless steels 18Cr8Ni and 17Cr6Mn5Ni in chloride media. REM - International Engineering Journal, v. 72, p. 97-103, 2019.
dc.identifier.issn0370-4467
dc.identifier.urihttps://repositorio.fei.edu.br/handle/FEI/2293
dc.description.abstract© 2019, Escola de Minas. All rights reserved.Pitting corrosion resistance of two austenitic stainless steels, 18Cr8Ni (Type 304L or UNS S30403 stainless steel) and 17Cr6Mn5Ni, was evaluated in three electrolytic solutions containing a fixed concentration of 0.6M sodium chloride and different additions of sodium sulfate, 0.06M, 0.15M or 0.6M. Cyclic potentiodynamic polarization tests were performed on as-received samples and on specimens annealed at 1010°C, 1040°C, 1070°C or 1100°C. The best pitting corrosion resistance was presented by the 17Cr6Mn5Ni steel annealed at 1070°C or 1100°C, with lower delta ferrite contents, in the electrolyte with the highest sulfate concentration. It can be found that the addition of sodium sulfate inhibits pitting corrosion and has a better inhibitor effect in the high manganese steel.
dc.relation.ispartofRevista Escola de Minas
dc.rightsAcesso Aberto
dc.titleEffect of sulfate on the pitting potential of austenitic stainless steels 18Cr8Ni and 17Cr6Mn5Ni in chloride media
dc.typeArtigo


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