Quasicrystalline phase formation by heating a mechanically alloyed Al65Cu23Fe12 powder mixture

V. V. Tcherdyntsev, S. D. Kaloshkin, A. I. Salimon, I. A. Tomilin, A. M. Korsunsky

Результат исследований: Вклад в журналСтатьярецензирование

35 Цитирования (Scopus)

Аннотация

Elemental powder mixtures of a Al65Cu23Fe12composition milled for two and four hours in a planetary ball mill were used to form quasicrystals. Annealing of the as-milled samples led to complex solid-state transformations. During the heat-up a sequence of solid-state reactions takes place in the as-milled powder. These reactions were studied both by differential scanning calorimetry and X-ray diffraction methods. An analysis of the phase formation shows the effect of the difference in the thermodynamic driving forces, such as the positive heats of mixing for the Cu-Fe system and the negative ones for the Al-Fe and Al-Cu systems, on the phase transformation consequence.

Язык оригиналаАнглийский
Страницы (с-по)522-526
Число страниц5
ЖурналJournal of Non-Crystalline Solids
Том312-314
DOI
СостояниеОпубликовано - окт. 2002
Опубликовано для внешнего пользованияДа

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