☆ 4.7 Article

The effect of carbon and reactive element dopants on oxidation lifetime of FeAl

SCRIPTA MATERIALIA (2005)

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Journal

SCRIPTA MATERIALIA
Volume 52, Issue 12, Pages 1199-1204

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2005.03.008

Keywords

iron aluminides; cast; oxidation; interstitials; reactive element additions

Categories

Nanoscience & Nanotechnology Materials Science, Multidisciplinary Metallurgy & Metallurgical Engineering

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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. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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