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Abstract
AbstractIn this letter we analyze the effect of quenched‐in short‐range order on the formation of quasicrystals during the crystallization of two different Zr‐based glassy alloys formed through liquid‐to‐solid (i.e. melt spinning) as well as through solid‐to‐solid transformations (i.e. ball milling). The first alloy undergoes quasicrystalline phase formation during the first stage of the crystallization process when prepared by melt spinning, whereas the material with the same composition prepared by mechanical alloying shows no quasicrystal formation. In contrast, the second alloy is characterized by the formation of quasicrystals in both the melt‐spun and ball‐milled materials. Both alloys are characterized by a strikingly similar local atomic arrangement in the amorphous state. This suggests that the occurrence of a particular quenched‐in short‐range order in the glass is not a mandatory prerequisite for the formation of quasicrystals upon devitrification. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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