Comportamiento electroquímico de un acero inoxidable AISI 430 implantado con cerio

C. M. Abreu; M. J. Cristóbal; R. Merino; X. R. Nóvoa; G. Pena; M. C. Pérez

doi:10.3989/revmetalm.2002.v38.i5.414

Electrochemical behaviour of an AISI 430 stainless steel implanted with cerium

Authors

C. M. Abreu Universidade de Vigo, ETSEI
M. J. Cristóbal Universidade de Vigo, ETSEI
R. Merino Universidade de Vigo, ETSEI
X. R. Nóvoa Universidade de Vigo, ETSEI
G. Pena Universidade de Vigo, ETSEI
M. C. Pérez Universidade de Vigo, ETSEI

DOI:

https://doi.org/10.3989/revmetalm.2002.v38.i5.414

Keywords:

Stainless steel, Implanted Cerium, Cyclic voltammetry, Electrochemical impedance spectroscopy,

Abstract

Chemical treatment in solutions containing cerium compounds has been widely used for prevention of localized corrosion in aluminium alloys (pitting corrosion) as well as in stainless steels (crevice corrosion). Ionic implantation presents several advantages for stainless steels. The present paper is devoted to study the effect of cerium implantation on the properties of passive films formed on an AISI 430 stainless steel in alkaline medium. The electrochemical study is performed by cyclic voltammetry and EIS. The chemical characterisation of the oxides film developed is performed by XPS, and the morphological study corresponds to SEM examination. The results show that cerium implantation hinders magnetite formation as well as chromium oxidation processes.

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Published

2002-10-30

How to Cite

Abreu, C. M., Cristóbal, M. J., Merino, R., Nóvoa, X. R., Pena, G., & Pérez, M. C. (2002). Electrochemical behaviour of an AISI 430 stainless steel implanted with cerium. Revista De Metalurgia, 38(5), 315–325. https://doi.org/10.3989/revmetalm.2002.v38.i5.414

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Issue

Vol. 38 No. 5 (2002)

Section

Articles

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