Partitioning behavior of alloying elements in PWA 1484
Conference
·
OSTI ID:372663
- Oak Ridge National Lab., TN (United States)
- Pratt and Whitney, East Hartford, CT (United States)
- National Research Inst. for Metals, Tsukuba, Ibaraki (Japan)
Nominal composition of single-crystal PWA 1484 material is Ni-10.5 at.% Co, 6% Cr, 1.3% Mo, 2.0% W, 12.9% Al, 3.0% Ta, 0.04% Hf, and 1.0% Re. It was examined after standard heat treatment of 4 h at 1304 C, 4 h at 1079 C, and 24 h at 704 C. An atom probe field ion microscope was used. Co, Cr, Mo, W and Re partition to the {gamma} phase and Ni, Al, Ta, and Hf partition to the {gamma}` phase. Atom-by-atom data chains and statistical analysis did not show any evidence of Re clusters in the {gamma} matrix.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-96OR22464
- OSTI ID:
- 372663
- Report Number(s):
- CONF-960877--1; ON: DE96013773
- Country of Publication:
- United States
- Language:
- English
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