Abstract
We applied diffractometry to the order-disorder transition in Cu-72.5 at.% Au alloy with a Ll2 superlattice; the long-range order parameter and the lattice parameter have been measured in relation to annealing temperature. Disordering occurs through a two-phase Ll2 + Al region; the upper bound to the phase-transition temperature is 208±3°C. A study has been made of the dimensions of the antiphase domains as defined by superlattice lines.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 3, pp. 70–74, March, 1980.
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Kozlov, É.V., Starenchenko, S.V. Order-disorder transitions in alloys near Au3Cu. Soviet Physics Journal 23, 236–239 (1980). https://doi.org/10.1007/BF00895084
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DOI: https://doi.org/10.1007/BF00895084