Abstract
The presented work deals with the oxidation resistance of spark plasma sintered and thermally sprayed FeAl-based intermetallics. Gas-atomized binary single phase Fe 43(at.%)Al and dual phase Fe 55(at.%)Al powders were used for spark plasma sintering and/or thermal spraying. Coatings were deposited by two di erent plasma spray technologies gas and water stabilized plasma guns. The prepared samples were exposed to oxidation in arti cial air at 700 ◦C. The mass gain was measured during oxidation at 700 ◦C up to 1000 h. Microstructures, phase and chemical compositions of the formed scales were characterized after the exposition by means of scanning electron microscopy, X-ray di raction and electron spectroscopy for chemical analysis (X-ray photoelectron spectroscopy).
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