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Thermochemistry of binary alloys of transition metals: The systems Cu-Ce, Me-Pr, and Me-Nd (Me = Cu, Ag, Au)

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Abstract

The standard enthalpies of formation of the congruently melting intermetallic compounds in the (Pr, Nd)-(Cu, Ag, Au) binary systems were determined by high-temperature direct synthesis calorimetry at 1473 ± 2 K. The liquid-liquid enthalpies of mixing for the same systems were measured by the same technique in the range of compositions available for experiments at 1473 ± 2 K. Additionally, the heats of mixing in the Cu-Ce system were remeasured. The results obtained for the solid alloys are compared with values calculated from Miedema’s semiempirical model.

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Authors and Affiliations

  1. Institute for Metals Research, Polish Academy of Sciences, 30-059, Krakow, Poland

    K. Fitzner (Associate Professor)

  2. James Franck Institute, The University of Chicago, 60637, Chicago, IL

    O. J. Kleppa (Emeritus Professor)

Authors
  1. K. Fitzner
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  2. O. J. Kleppa
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Fitzner, K., Kleppa, O.J. Thermochemistry of binary alloys of transition metals: The systems Cu-Ce, Me-Pr, and Me-Nd (Me = Cu, Ag, Au). Metall Mater Trans A 25, 1495–1500 (1994). https://doi.org/10.1007/BF02665481

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  • DOI: https://doi.org/10.1007/BF02665481

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