Article ID Journal Published Year Pages File Type
1499158 Scripta Materialia 2013 5 Pages PDF
Abstract

Ferritic alloys strengthened with NiAl precipitates are being developed for elevated-temperature applications. Due to the high concentration of Al in these alloys, they feature a relatively low density of ∼7 g cm−3. In this paper, the high-temperature mechanical behavior of NiAl-strengthened ferritic alloys is reviewed. Further, we discuss another related class of alloys, where the precipitate strengthening is provided by Ni2TiAl-type precipitates rather than NiAl. These relatively unexplored alloys may enhance the creep resistance of precipitate-strengthened ferritic alloys.

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Physical Sciences and Engineering Materials Science Ceramics and Composites
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