期刊
EPL
卷 86, 期 3, 页码 -出版社
EDP SCIENCES S A
DOI: 10.1209/0295-5075/86/36002
关键词
-
资金
- European Commission EU within the IMPRESS Integrated Project [FP6-500635-2]
- ESRF [HS-3559]
Time-resolved in situ measurements using a combination of the electromagnetic levitation technique and energy dispersive diffraction of synchrotron radiation have been applied to the solidification of undercooled Al-Ni melts with 18-31.5 at.% Ni. Undercooling below the liquidus temperature did not alter the primary phase selection. However, during further cooling of semisolid samples the formation of a metastable decagonal quasicrystalline phase was observed, depending on the processing conditions. This metastable phase subsequently transforms and can only be retained at room temperatures when cooling with sufficient rates. Copyright (c) EPLA, 2009
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