A systematic ALCHEMI study of Fe-doped NiAl alloys
Conference
·
OSTI ID:79656
- Oak Ridge National Lab., TN (United States)
- Univ. of Florida, Gainesville, FL (United States). Dept. of Materials Science & Engineering
ALCHEMI site-occupation studies of alloying additions to ordered aluminide intermetallic alloys have been performed with varying degrees of success, depending on the ionization delocalization correction. This study examines the variation in the site-occupancy of Fe in B2-ordered NiAl vs solute concentration and alloy stoichiometry. The fraction of Fe on the `Ni` site is plotted vs Fe concentration. The good separation among the data from alloys of the three stoichiometries shows that the site occupancy of iron depends on the relative concentrations of the Ni and Al host elements; however a preference for the `Ni` site is clearly indicated.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States); Oak Ridge Inst. for Science and Education, TN (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 79656
- Report Number(s):
- CONF-950892--4; ON: DE95012848
- Country of Publication:
- United States
- Language:
- English
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