High temperature oxidation of steels in CO2 containing impurities
Journal Article
·
· Corrosion Science
- National Energy Technology Lab. (NETL), Albany, OR (United States); Leidos Research Support Team, Albany, OR (United States)
- National Energy Technology Lab. (NETL), Albany, OR (United States)
Future power systems require steels that resist corrosion in high temperature CO2 containing combustion products/impurities. Here we evaluate the corrosion behavior of several commercial steels exposed to 95% CO2-4 % H2O-1 % O2, with/without 0.1 % SO2, at 550 °C and 1 atm. High-Cr steels formed thin Cr-rich oxides and low-Cr steels thick Fe-rich oxides during SO2-free exposures. Additions of SO2 had little effect on low-Cr steels but enhanced corrosion of high-Cr steels, where S within the chromia scale led to its failure and subsequent Fe-rich oxide nodule growth. Ultimately, the results are rationalized by considering the thermodynamic and kinetic factors controlling the reaction.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Fossil Energy and Carbon Management (FECM)
- Grant/Contract Number:
- 89243318CFE000003
- OSTI ID:
- 1635618
- Alternate ID(s):
- OSTI ID: 1775697
- Report Number(s):
- RSS097
- Journal Information:
- Corrosion Science, Vol. 164, Issue C; ISSN 0010-938X
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 21 works
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