High temperature oxidation behaviour of FeAl intermetallics - Oxide scales formed in ambient atmosphere

被引：59

作者：

Xu, CH ^{[1
]}

Gao, W

He, YD

机构：

[1] Univ Auckland, Dept Chem & Mat Engn, Auckland 1, New Zealand

[2] Univ Sci & Technol Beijing, Dept Surface Sci & Corros Engn, Beijing 100083, Peoples R China

来源：

SCRIPTA MATERIALIA | 2000年 / 42卷 / 10期

关键词：

x-ray photoelectron spectroscopy (XPS); intermetallic compound; nitride; oxidation;

D O I：

10.1016/S1359-6462(00)00327-4

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The structures and formation mechanisms of the scales formed on Fe-Al during oxidation were investigated. The scale formed has a double-layered complex structure. The outside layer was convoluted α-alumina and the inner layer contains Al2O3+AlN. The formation of the oxide mixtures was analyzed based on the reaction thermodynamics in an ambient atmosphere. A model explained the formation mechanism of the double-layered scale structure.

引用

页码：975 / 980

页数：6

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