Mechanically reliable scales and coatings
Conference
·
OSTI ID:100054
As the first stage in examining the mechanical reliability of protective surface oxides, the behavior of alumina scales formed on iron-aluminum alloys during high-temperature cyclic oxidation was characterized in terms of damage and spallation tendencies. Scales were thermally grown on specimens of three iron-aluminum composition using a series of exposures to air at 1000{degrees}C. Gravimetric data and microscopy revealed substantially better integrity and adhesion of the scales grown on an alloy containing zirconium. The use of polished (rather than just ground) specimens resulted in scales that were more suitable for subsequent characterization of mechanical reliability.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 100054
- Report Number(s):
- CONF-9505204-10; ON: DE95014266
- Resource Relation:
- Conference: 9. annual conference on fossil energy materials, Oak Ridge, TN (United States), 16-18 May 1995; Other Information: PBD: [1995]
- Country of Publication:
- United States
- Language:
- English
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