Oxidation kinetics and microstructure evolution of high Mn stainless-steel alloy in CO2 at 700 °C
Journal Article
·
· Corrosion Science
- Univ. of Wisconsin, Madison, WI (United States); University of Wisconsin-Madison
- Univ. of Wisconsin, Madison, WI (United States)
- Univ. of Florida, Gainesville, FL (United States)
- Federal-Mogul Powertrain Division Tenneco, Southfield, MI (United States)
Oxidation kinetics and scale formation were examined in 21–2N Stainless Steel alloys in a CO2 environment at 700 °C. Several characterization techniques were used to identify the morphology, crystallographic structure, and chemical composition of the oxide scale formation during exposures up to 1925 h. High manganese content played an important role in homogenous oxide scale formation of Mn3O4 and MnCr2O4 at the scale/gas and scale/alloy interfaces and as an FCC stabilizer in the alloy. Depletion of Mn resulted in an FCC to BCC phase transformation at the scale/alloy interface. No carburization was observed, indicating that the oxide layer is preventing carbon uptake.
- Research Organization:
- Federal-Mogul Powertrain Division Tenneco, Southfield, MI (United States); Univ. of Florida, Gainesville, FL (United States); Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Organization:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- Grant/Contract Number:
- EE0008459
- OSTI ID:
- 1838241
- Alternate ID(s):
- OSTI ID: 1836393
- Journal Information:
- Corrosion Science, Journal Name: Corrosion Science Vol. 195; ISSN 0010-938X
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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