Abstract
Wrought Fe-40 at.%Al has an unexpectedly short time to breakaway oxidation at 1200 °C compared to Fe3Al. Optimizing the reactive element to C ratio by either removing the C addition or by replacing Zr with Hf, increased the oxidation lifetime by a factor of two or six, respectively.
Original language | English |
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Pages (from-to) | 1199-1204 |
Number of pages | 6 |
Journal | Scripta Materialia |
Volume | 52 |
Issue number | 12 |
DOIs | |
State | Published - Jun 2005 |
Funding
The authors would like to thank J.D. Vought, G.W. Garner, L.D. Chitwood, K.S. Reeves, L. Walker and H. Longmire at ORNL for assistance with the experimental work and M.P. Brady, I.G. Wright, P.J. Maziasz, D.F. Wilson and P.F. Tortorelli for comments on the manuscript. This research was sponsored by the U.S. Department of Energy, Fossil Energy, Advanced Research Materials Program, under contract DE-AC05-00OR22725 with UT-Battelle, LLC.
Funders | Funder number |
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Fossil Energy | DE-AC05-00OR22725 |
U.S. Department of Energy |
Keywords
- Cast
- Interstitials
- Iron aluminides
- Oxidation
- Reactive element additions