Electrochemical behaviour of an AISI 430 stainless steel implanted with cerium

被引：10

作者：

Abreu, CM ^{[1
]}

Cristóbal, MJ ^{[1
]}

Merino, P ^{[1
]}

Nóvoa, XR ^{[1
]}

Pena, G ^{[1
]}

Pérez, MC ^{[1
]}

机构：

[1] Univ vigo, ETSEI, E-36200 Vigo, Spain

来源：

REVISTA DE METALURGIA | 2002年 / 38卷 / 05期

关键词：

stainless steel; implanted cerium; cyclic voltammetry; electrochemical impedance spectroscopy; XPS;

D O I：

10.3989/revmetalm.2002.v38.i5.414

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

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.

引用

页码：315 / 325

页数：11

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