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Powder metallurgy preparation of Al–Cu–Fe quasicrystals using mechanical alloying and Spark Plasma Sintering

Authors
Journal
Intermetallics
0966-9795
Publisher
Elsevier
Volume
52
Identifiers
DOI: 10.1016/j.intermet.2014.04.003
Keywords
  • A. Nanostructured Intermetallics
  • A. Ternary Alloy Systems
  • C. Mechanical Alloying And Milling
  • C. Sintering
  • F. Diffraction

Abstract

Abstract This work is devoted to the preparation of ultrafine material based on Al–Cu–Fe quasicrystalline phase by powder metallurgy using mechanical alloying and Spark Plasma Sintering. The dependence of microstructure and phase composition of powders on the conditions of mechanical alloying was described. It was found that the Al60Cu30Fe10 quasicrystalline phase forms directly already after 2 h of milling under optimized conditions. The stability of this quasicrystalline phase was studied at various temperatures of Spark Plasma Sintering compaction process.

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