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Identification of thermodynamically stable ceramic reinforcement materials for iron aluminide matrices

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Abstract

Aluminide-base intermetallic matrix composites are currently being considered as potential high-temperature materials. One of the key factors in the selection of a reinforcement material is its chemical stability in the matrix. In this study, chemical interactions between iron alu-minides and several potential reinforcement materials, which include carbides, oxides, borides, and nitrides, are analyzed from thermodynamic considerations. Several chemically compatible reinforcement materials are identified for the iron aluminides with Al concentrations ranging from 40 to 50 at. pct.

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  1. NASA Lewis Research Center Group, Sverdrup Technology, Inc., 21000 Brookpark Road, Cleveland, OH, 44135

    Ajay K. Misra (Senior Research Engineer)

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  1. Ajay K. Misra
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Misra, A.K. Identification of thermodynamically stable ceramic reinforcement materials for iron aluminide matrices. Metall Trans A 21, 441–446 (1990). https://doi.org/10.1007/BF02782424

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  • DOI: https://doi.org/10.1007/BF02782424

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