Rhenium distribution in the matrix and near the particle–matrix interface in a model Ni–Al–Ta–Re superalloy

Rhenium distribution in the matrix and near the particle–matrix interface in a model Ni–Al–Ta–Re superalloy

The distribution of Ni, Al, Ta, and Re in a model Ni-base superalloy is investigated in the as-heat treated alloy by energy dispersive X-ray analysis and three-dimensional atom probe. Re was found to partition mainly to the γ phase in which it forms clusters with sizes of about 1 nm and mutual avera...

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Veröffentlicht in:Scripta materialia 2002-02, Vol.46 (3), p.235-240
Hauptverfasser: Rüsing, J., Wanderka, N., Czubayko, U., Naundorf, V., Mukherji, D., Rösler, J.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Cross-disciplinary physics: materials science
rheology
Dispersion-, fiber-, and platelet-reinforced metal-based composites
Energy dispersive X-ray analysis
Exact sciences and technology
Materials science
Metals. Metallurgy
Microstructure
Ni-base superalloy
Other materials
Physics
Specific materials
Three-dimensional atom probe
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Beschreibung
Zusammenfassung:The distribution of Ni, Al, Ta, and Re in a model Ni-base superalloy is investigated in the as-heat treated alloy by energy dispersive X-ray analysis and three-dimensional atom probe. Re was found to partition mainly to the γ phase in which it forms clusters with sizes of about 1 nm and mutual average distances of 20 nm.
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(01)01231-3