Optimizing surface properties of AISI 409 stainless steel through duplex treatment consisting of plasma nitriding and vanadium-based deposition

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dc.contributor.authorSilva, André Felipe Soares do Monte e
dc.contributor.authorAlmeida, Larissa Solano de
dc.contributor.authorSilva, Leandro Almeida
dc.contributor.authorRossino, Luciana Sgarbi
dc.contributor.authorNunes, Maelson Sousa
dc.contributor.authorLibório, Maxwell Santana
dc.contributor.authorCosta, Thércio Henrique de Carvalho
dc.contributor.authorBandeira, Rafael Marinho
dc.contributor.authorSousa, Rômulo Ribeiro Magalhães de
dc.contributor.authorIDhttps://orcid.org/0000-0001-7429-4273
dc.contributor.authorIDhttps://orcid.org/0000-0001-6858-1524
dc.contributor.authorIDhttps://orcid.org/0000-0003-2755-8349
dc.contributor.authorIDhttps://orcid.org/0000-0002-0060-8943
dc.contributor.authorIDhttps://orcid.org/0000-0003-1579-8775
dc.contributor.authorIDhttps://orcid.org/0000-0002-4362-7466
dc.contributor.authorIDhttps://orcid.org/0000-0003-2062-6505
dc.date.accessioned2025-11-06T20:15:44Z
dc.date.available2025-11-06T20:15:44Z
dc.date.issued2025-07-16
dc.description.resumoThis study proposes a surface modification methodology for AISI 409 stainless steel by combining cathodic cage plasma nitriding (CCPN) and deposition (CCPD), evaluating the benefits of this duplex treatment over individual treatments. The mechanical strength, tribological behavior, and corrosion resistance of the treated surfaces were investigated in relation to processing parameters and resulting microstructures. Analyses were performed using XRD, SEM, Vickers microhardness, ball-on-disc testing, and corrosion testing in a 3.5% NaCl solution. The duplex treatment at 400 and 450 °C, consisting of CCPN followed by CCPD, promoted significant surface modifications. Nitriding resulted in a thick layer of Fe3N, Fe4N, and CrN, increasing hardness and wear resistance, with final improvements of 5.7 and 33.5 times, respectively. The subsequent VN deposition enhanced corrosion resistance, shifting the potential from −396 mV to −221 mV, indicating reduced electrochemical activity. These results confirm the treatment’s potential for automotive exhaust systems, requiring lightweight, durable materials in aggressive environments
dc.identifier.citationSILVA, André Felipe Soares do Monte e; ALMEIDA, Larissa Solano de; SILVA, Leandro Almeida; ROSSINO, Luciana Sgarbi; NUNES, Maelson Sousa; LIBÓRIO, Maxwell Santana; COSTA, Thércio Henrique de Carvalho; BANDEIRA, Rafael Marinho; SOUSA, Rômulo Ribeiro Magalhães de. Optimizing surface properties of AISI 409 stainless steel through duplex treatment consisting of plasma nitriding and vanadium-based deposition. ACS Omega, v. 10, n. 29, p. 31440-31451, 16 jul. 2025. DOI: https://pubs.acs.org/doi/10.1021/acsomega.5c00885. Disponível em: https://pubs.acs.org/doi/10.1021/acsomega.5c00885. Acesso em: 15 out. 2025.
dc.identifier.doihttps://pubs.acs.org/doi/10.1021/acsomega.5c00885
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/66059
dc.language.isoen
dc.publisherACS Omega
dc.rightsAttribution 3.0 Brazilen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/br/
dc.subjectDeposition
dc.subjectElectrochemistry
dc.subjectHardness
dc.subjectLayers
dc.subjectNitrides
dc.titleOptimizing surface properties of AISI 409 stainless steel through duplex treatment consisting of plasma nitriding and vanadium-based deposition
dc.typearticle

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