ON THE CONNECTION BETWEEN Q AND D//0 FOR SELF-DIFFUSION IN f. c. c. BINARY METALLIC SOLID SOLUTIONS.

D. Beke, I. Uzonyi, F. J. Kedves

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Abstract

A general relation connecting the pre-exponental factors D//0**Z(x) and the activation enthalpies Q**Z(x) (Z equals A, B) for self-diffusion in AB binary metallic solid solutions is given. Comparison with the experimental data in fcc Ag-Au, Cu-Ni and Pb-Tl alloys leads to a good agreement and the values of the universal constants obtained are also in good accordance with those calculated from self- and impurity-diffusion data in pure metals.

Original languageEnglish
Pages (from-to)983-986
Number of pages4
JournalPhilosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
Volume44
Issue number4
Publication statusPublished - Oct 1981

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lead alloys
Solid solutions
solid solutions
enthalpy
activation
Lead alloys
impurities
metals
Enthalpy
Metals
Chemical activation
Impurities

ASJC Scopus subject areas

  • Materials Science(all)
  • Electronic, Optical and Magnetic Materials
  • Metals and Alloys
  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics

Cite this

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abstract = "A general relation connecting the pre-exponental factors D//0**Z(x) and the activation enthalpies Q**Z(x) (Z equals A, B) for self-diffusion in AB binary metallic solid solutions is given. Comparison with the experimental data in fcc Ag-Au, Cu-Ni and Pb-Tl alloys leads to a good agreement and the values of the universal constants obtained are also in good accordance with those calculated from self- and impurity-diffusion data in pure metals.",
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AU - Beke, D.

AU - Uzonyi, I.

AU - Kedves, F. J.

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N2 - A general relation connecting the pre-exponental factors D//0**Z(x) and the activation enthalpies Q**Z(x) (Z equals A, B) for self-diffusion in AB binary metallic solid solutions is given. Comparison with the experimental data in fcc Ag-Au, Cu-Ni and Pb-Tl alloys leads to a good agreement and the values of the universal constants obtained are also in good accordance with those calculated from self- and impurity-diffusion data in pure metals.

AB - A general relation connecting the pre-exponental factors D//0**Z(x) and the activation enthalpies Q**Z(x) (Z equals A, B) for self-diffusion in AB binary metallic solid solutions is given. Comparison with the experimental data in fcc Ag-Au, Cu-Ni and Pb-Tl alloys leads to a good agreement and the values of the universal constants obtained are also in good accordance with those calculated from self- and impurity-diffusion data in pure metals.

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