Selective Oxidation of Chromium by O2 Impurities in CO2 During Initial Stages of Oxidation

被引：22

作者：

Bouhieda, Soraya ^{[1
]}

Rouillard, Fabien ^{[1
]}

Barnier, Vincent ^{[2
]}

Wolski, Krzysztof ^{[2
]}

机构：

[1] CEA, Lab Etud Corros Non Aqueuse, DEN, DPC,SCCME, F-91191 Gif Sur Yvette, France

[2] Ecole Natl Super Mines, Ctr SMS, UMR CNRS 5146, Lab Claude Goux, F-42023 St Etienne, France

来源：

OXIDATION OF METALS | 2013年 / 80卷 / 5-6期

关键词：

Ferritic-martensitic steels; Carbon dioxide; Selective oxidation; Impurity; Oxygen; OXYFUEL ENVIRONMENTS; OXIDE SCALES; FE-CR; ALLOYS; STEEL; BEHAVIOR;

D O I：

10.1007/s11085-013-9392-0

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

This study shows that the corrosion behaviour of 12 wt% Cr steel in CO2 at 550 A degrees C is determined in the first stage of oxidation by reaction with O-2 impurities. Depending on the amount of theses impurities and the thermal ramp rate, selective oxidation of chromium could lead to the formation of a protective chromium-rich oxide. An oxidation model describing qualitatively the nature of the oxide layer formed in the initial period of oxidation is presented. From these observations, surface engineering processes for protecting 9-12 wt% chromium steels from fast corrosion rate have emerged.

引用

页码：493 / 503

页数：11

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