- Abstract:
-
In order to elucidate the role of this element in superalloy metallurgy, the binding energy of Re-Re pairs and the stability of small Re clusters in the nickel face-centred cubic (fcc) lattice is investigated using ab initio density functional theory. It is shown that the formation of Re-Re nearest neighbour pairs is energetically unfavourable, and that this repulsive energy is dramatically reduced as soon as the solute atoms move further apart from one another. Furthermore, small nearest nei...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1016/j.actamat.2012.01.051
-
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- Journal:
- ACTA MATERIALIA
- Volume:
- 60
- Issue:
- 6-7
- Pages:
- 2866-2872
- Publication date:
- 2012-04-05
- DOI:
- ISSN:
-
1359-6454
- URN:
-
uuid:3edd3fc0-f568-4cbb-a52f-2c8fa0e209b6
- Source identifiers:
-
369676
- Local pid:
- pubs:369676
- Language:
- English
- Keywords:
- Copyright date:
- 2012
Journal article
On the possibility of rhenium clustering in nickel-based superalloys
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