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- Title
Nanoquasicrystalline Phase in Mechanically Alloyed and Heat-Treated Al<sub>73</sub>Cu<sub>11</sub>Cr<sub>16</sub>.
- Authors
SVIRIDOVA, T .A.; SHEVCHUKOV, A. P.; SHELEKHOV, E. V.; DIAKONOV, D. L.; GORSHENKOV, M. V.; KALOSHKIN, S. D.; TCHERDYNTSEV, V. V.; LI, Z.; FAN, G.
- Abstract
X-ray diffraction analysis, scanning and transmission electron microscopy, thermal analysis and measurement of chemical composition were implemented to determine structure, thermal stability and chemical composition of the decagonal quasicrystal in Al73Cu11Cr16 alloy produced by long-term mechanical alloying of elemental powders followed by annealing at 700°C. According to the TEM investigation such a technique permits to produce a single-phase nanostructural quasicrystal with grain size about 60 nm. Differential thermal analysis revealed that the decagonal phase does not exist above 923°C and undergoes incongruent two-stage melting coming to the end at 1100 °C.
- Subjects
X-ray diffraction; SCANNING electron microscopy; TRANSMISSION electron microscopy; THERMAL analysis; QUASICRYSTALS
- Publication
Acta Physica Polonica: A, 2014, Vol 126, Issue 2, p599
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.126.599