期刊
OXIDATION OF METALS
卷 74, 期 5-6, 页码 319-340出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11085-010-9215-5
关键词
Oxy-fuel combustion; Fe-Cr alloys; Ferritic steels; Chromia; Water vapor; Hydrogen; Carbon dioxide
资金
- National Energy Technology Laboratory [DE-AC26-04NT41817]
- German Ministry for Economics
Selective oxidation behavior of ferritic martensitic Fe-Cr base alloys, exposed in various atmospheres containing combinations of O-2, CO2, and H2O, were studied at various temperatures relevant to oxy-fuel combustion. This paper begins with a discussion of the required Cr content to form a continuous external chromia scale on a simple binary Fe-Cr alloy exposed in oxygen or air based on experiments and calculations using the classic Wagner model. Then, the effects of the exposure environment and Cr content on the selective oxidation of Fe-Cr alloys are evaluated. Finally, the effects produced by alloying additions of Si, commonly present in various groups of commercially available ferritic steels, are described. The discussion compares the oxide scale formation on simple binary and ternary Fe-Cr base model alloys with that on several commercially available ferritic steels.
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