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Large-scale synthesis of Al–Cu–Fe submicron quasicrystals

By L. Li, Q. Bi, J. Yang, L. Fu, L. Wang, S. Wang and W. Liu


Al–Cu–Fe alloy with a nominal composition of Al62Cu25.5Fe12.5 (at.%) has been fabricated by a combination of pressure-assisted self-propagating high-temperature synthesis and rapid solidification. The as-synthesized Al–Cu–Fe alloy mainly consists of icosahedral quasicrystalline (IQC) -Al65Cu20Fe15 and cubic -Al (Cu, Fe) solid solution phases, and exhibits finely equiaxed grains with a size ranging from 50 to 200 nm. The mechanism for the formation of the ultrafine-grained IQC phase has been explained

Topics: TN
Year: 2008
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Provided by: e-Prints Soton

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