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| 001 | 825982 | ||
| 005 | 20240610120400.0 | ||
| 024 | 7 | _ | |a 10.1016/j.intermet.2015.08.013 |2 doi |
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| 024 | 7 | _ | |a 1879-0216 |2 ISSN |
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| 082 | _ | _ | |a 660 |
| 100 | 1 | _ | |a Heidelmann, Markus |0 P:(DE-Juel1)157790 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Structural anomaly in the high-entropy alloy ZrNbTiTaHf |
| 260 | _ | _ | |a Amsterdam [u.a.] |c 2016 |b Elsevier Science |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a We present a high-resolution scanning transmission electron microscopy study on the microstructure of a non-equiatomic high-entropy alloy with the composition of Zr12.7 Nb30.8 Ti17.7 Ta30.8 Hf8.0 (at.%). We identify a novel inter-grain phase (IGP) that compositionally and structurally differs from the surrounding body-centred cubic host. In particular, we find that the IGP has a composition of Zr52.8 Nb6.9 Ti4.6 Ta20.6 Hf15.1 (at.%) and that it solidifies in a face-centred cubic crystal lattice structure. The occurrence of the latter is unexpected and remarkable since all possible binary phase diagrams of the involved elements only show body-centred cubic and hexagonal close-packed crystal structures. Therefore, to validate our experimental findings we have conducted parameter-free ab-initio calculations based on density-functional theory and the coherent-potential approximation. The simulations support our experimental findings showing that for the composition of the IGP, the face-centred cubic crystal structure is indeed the most stable one. |
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| 700 | 1 | _ | |a Ma, Duancheng |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Grabowski, Blazej |0 P:(DE-HGF)0 |b 3 |
| 773 | _ | _ | |a 10.1016/j.intermet.2015.08.013 |g Vol. 68, p. 11 - 15 |0 PERI:(DE-600)2028968-6 |p 11 - 15 |t Intermetallics |v 68 |y 2016 |x 0966-9795 |
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