|
iDEA: Drexel E-repository and Archives >
Drexel Academic Community >
College of Engineering >
Department of Materials Science and Engineering >
Faculty Research and Publications (MSE) >
Isothermal oxidation of Ta2ALC in air
Please use this identifier to cite or link to this item:
http://hdl.handle.net/1860/1141
|
| Title: | Isothermal oxidation of Ta2ALC in air |
| Authors: | Gupta, Surojit
Filimonov, D.
Barsoum, Michel W. |
| Keywords: | Oxidation
Polycrystalline Materials
Thermal Cycling
Crack Initiation
Phase Separation
X-Ray Analysis
Reaction Kinetics |
| Issue Date: | Sep-2006 |
| Publisher: | Blackwell Publishing |
| Citation: | Journal of the American Ceramic Society, 89(9): pp. 2974-2976. |
| Abstract: | The oxidation behavior, in air, of bulk polycrystalline Ta2AlC
samples was studied in the 6001–9001C temperature range. A
protective, essentially X-ray amorphous, oxide layer—which
does not appear to be resistant to thermal cycling—forms at
6001C. This layer is comprised of Ta, Al, and O. At 7001C and
above, it is compositionally quite uniform, but porous and highly
cracked. No phase separation was observed at the micrometer
scale. The oxide layers consisted of the crystalline phases,
Ta2O5 and TaAlO4, and an X-ray amorphous phase. In the
7001–9001C temperature range, the oxidation kinetics were
found to be linear. |
| URI: | http://hdl.handle.net/1860/1141 |
| Appears in Collections: | Faculty Research and Publications (MSE)
|
Items in iDEA are protected by copyright, with all rights reserved, unless otherwise indicated.
|
www.drexel.edu
