Iron aluminides show great potential for use in high-temperature oxygen and sulfur environments, but the intermetallic phases of the Fe-Al system tend to be brittle. This paper describes a powder making process in which FeAl phases are reinforced with inclusions from other intermetallic phases that arrest cracks and prevent them from spreading. Thermally sprayed coatings produced from these SHS powders are analyzed with regard to their composition and structure. Paper includes a German-language abstract.

hydrogen embrittlement, iron-aluminide powder, self-propagating high-temperature synthesis, thermally sprayed coatings
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Copyright © 2002 Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH. All rights reserved.
2002
Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH
Topics
Hydrogen embrittlement Thermal spray coatings Iron-aluminide composites
Issue Section:
Thermal Spraying of Iron Aluminides
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