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Structural phase transition mechanism in the alloy CuPd

  • Solid State Physics
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Abstract

The high temperature x-ray method is used to study A1-B2 phase transitions in Cu-Pd alloys near a composition of 40 at.% Pd. An anomalous increase in mean square atomic displacements and a non-monotonic change in the lattice parameter with temperature are observed at the onset of the phase transitions. It is shown that upon heating of the quenched solid solution above 300°C the solid solution decomposes with formation of a two-phase mixture A1 + B2. Activation energies of the processes accompanying the structural phase transitions are calculated.

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Authors and Affiliations

  1. Tomsk Civil Engineering Institute, USSR

    A. A. Klopotov, A. S. Tailashev & É. V. Kozlov

Authors
  1. A. A. Klopotov
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  2. A. S. Tailashev
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  3. É. V. Kozlov
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 67–72, June, 1988.

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Klopotov, A.A., Tailashev, A.S. & Kozlov, É.V. Structural phase transition mechanism in the alloy CuPd. Soviet Physics Journal 31, 482–486 (1988). https://doi.org/10.1007/BF00897613

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  • DOI: https://doi.org/10.1007/BF00897613

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