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Thermal effects of transformations B2 ⇄ Al in CuPd alloy

  • Solid State Physics
  • Published:
Russian Physics Journal Aims and scope

Abstract

We used high-temperature x-ray diffraction and thermography to investigate phase transitions B2 ⇄ Al in alloys Cu-Pd around 40 at. % Pd concentration. In phase transition region B2 → Al in alloy Cu-39.5 at. % Pd, we observed the maxima in the heat capacity curve. Based on structural data, we show that the first maximum is due to structural transition bcc-fcc (B2-Al) and the second is due to a decrease in the atomic long-range order in superlattice B2 and to a continuing bcc-fcc transition. Using structural information, we analyzed the thermograph of the quenched alloy Cu-36 at. % Pd.

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Authors
  1. A. A. Klopotov
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  2. A. S. Tailashev
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  3. C. N. Popov
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  4. É. V. Kozlov
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Additional information

Structural Engineering Institute, Tomsk. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 2, pp. 35–38, February, 1993.

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Klopotov, A.A., Tailashev, A.S., Popov, C.N. et al. Thermal effects of transformations B2 ⇄ Al in CuPd alloy. Russ Phys J 36, 128–132 (1993). https://doi.org/10.1007/BF00574092

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  • DOI: https://doi.org/10.1007/BF00574092

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