A Stable Quasicrystal in Al-Cu-Fe System

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Copyright (c) 1987 The Japan Society of Applied Physics
, , Citation An-Pang Tsai et al 1987 Jpn. J. Appl. Phys. 26 L1505 DOI 10.1143/JJAP.26.L1505

1347-4065/26/9A/L1505

Abstract

A thermodynamically stable quasicrystalline single phase with an icosahedral structure was found to be formed at an atomic composition of Al65Cu20Fe15 in a fully annealed state as well as in a conventionally solidified state. The stable quasicrystal consisted of large grains with an average size of 0.2 mm after annealing for 48 h at 1118 K (0.98 Tm).

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10.1143/JJAP.26.L1505