The thermal expansion coefficient of mechanically alloyed Al-Cu-Fe quasicrystalline powders

The thermal expansion coefficient of mechanically alloyed Al-Cu-Fe quasicrystalline powders

The coefficient of thermal expansion was accurately determined over a wide range of temperatures from 350-1080K for mechanically alloyed quasicrystals. The relaxation of phason-type quasilattice defects contributes into the value of thermal expansion coefficient under heating, while its value for an...

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Veröffentlicht in:Scripta materialia 2001-02, Vol.44 (2), p.217-222
Hauptverfasser: Korsunsky, A.M, Salimon, A.I, Pape, I, Polyakov, A.M, Fitch, A.N
Format: Artikel
Sprache:eng
Schlagworte:
Mechanical alloying
Quasicrystals
Thermal expansion coefficient
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Zusammenfassung:The coefficient of thermal expansion was accurately determined over a wide range of temperatures from 350-1080K for mechanically alloyed quasicrystals. The relaxation of phason-type quasilattice defects contributes into the value of thermal expansion coefficient under heating, while its value for annealed quasicrystals during subsequent cooling is in good agreement with that determined for perfect quasicrystals.
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(00)00595-9