High-Temperature Corrosion Kinetics of Selected Nickel-Based and Chromia-Forming Alloys in Air–HF–H2O Atmosphere

被引：0
|
作者：
Grzegorz Smoła
Richard Gaweł
Tomasz Kupka
Michael Erb
Christoph Schnitter
Zbigniew Grzesik
机构：
[1] AGH University of Science and Technology,Faculty of Materials Science and Ceramics, Department of Physical Chemistry and Modeling
[2] TANIOBIS GmbH,undefined
来源：
Oxidation of Metals | 2022年 / 98卷
关键词：
Steel; Chromia formers; Oxidation; Fluorination; High-temperature corrosion;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The goal of this work was to determine the corrosion resistance of selected nickel-based and chromia-forming alloys in an industrial air–HF–H2O atmosphere at a temperature of 900 °C. Combined investigations on the material degradation rates based on the measurements of core metal loss supported by SEM–EDS and XRD analysis on the chemical and phase composition of the oxidation/fluorination products revealed that nickel-based materials exhibit worse oxidation resistance compared to the chromia formers. However, in the group of chromia-forming materials, the alloy with the highest nickel content demonstrated the best corrosion resistance among the selected alloys. Based on this finding, it can be concluded that the chromia formers with relatively high nickel content are the most suitable materials for use in such harsh operating conditions.
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页码：109 / 120
页数：11
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