RAMAN STUDIES OF CORROSION FILMS GROWN ON FE AND FE-6MO IN PITTING CONDITIONS

被引：183

作者：

BOUCHERIT, N

GOFF, AHL

JOIRET, S

机构：

[1] LP15 du CNRS, Physique des Liquides et Electrochimie, Laboratoire de l'Université Pierre et Marie Curie, Tour 22, 4 place Jussieu

来源：

CORROSION SCIENCE | 1991年 / 32卷 / 5-6期

关键词：

D O I：

10.1016/0010-938X(91)90103-V

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Raman spectroscopy is used to identify the corrosion films grown on iron and iron-molybdenum alloy in presence of Cl- or SO42-. Pure iron in pitting corrosion is covered by an inner spinel layer and an outer green rust layer. The Raman spectrum of green rust is given for the first time. When molybdenum is present in the alloy the green rust is less crystalline, and a molybdate layer is detected at the metal/film interface. The pitting seems to be associated with the presence of Mo4+ in this inner layer, but in passive conditions the film contains FeMoO4.

引用

页码：497 / 507

页数：11

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