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Title

Influence of N, Ar and Si ion implantation on the passive layer and corrosion behaviour of AISI 304 and 430 stainless steels

AuthorsCano Díaz, Emilio ; Simancas Peco, Joaquín; Martínez, L. ; Pérez Trujillo, F. J.; Gómez, C. ; Bastidas Rull, José María
Issue Date2006
PublisherElsevier
CitationSurface and Coatings Technology 200: 5123-5131 (2006)
AbstractSpecimens of AISI 304 and AISI 430 stainless steels (SS) were implanted with nitrogen, argon and silicon up to an ion dose of 1 × 1015 ion/cm2 at an accelerating potential of 150 keV. AISI 304 and 430 SS specimens were analysed as-received and after ion implantation using X-ray photoelectron spectroscopy (XPS) in conjunction with Ar+-ion sputtering. Surface chromium enrichment was observed with the argon ion-implanted specimens compared with the non-implanted specimens, enhancing their corrosion resistance. Nitrogen implantation does not seem to have a significant effect on the structure and composition of the passive layer. Finally, silicon-implanted SSs show a very different passive layer, in which SiO2 is the main component of the outer surface. © 2005 Elsevier B.V. All rights reserved.
URIhttp://hdl.handle.net/10261/76613
DOI10.1016/j.surfcoat.2005.05.029
Identifiersdoi: 10.1016/j.surfcoat.2005.05.029
issn: 0257-8972
Appears in Collections:(CENIM) Artículos
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