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über den einfluss der Durchschnittlichen Zusammensetzung auf die Lage der Kohärenten Mischungslücke von Al-Zn Legierungen

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Czechoslovak Journal of Physics Aims and scope

Abstract

The paper describes the thermodynamic calculation of the form of metastable coherent solubility gaps by which the separation of the solid solution into coherent zones in the Al-Zn system can be described. The integral free energy of mixing of the solid solution was approximated by the adapted Hillert relation and supplemented by the Cahn elastic energy term. The dependence of the Cahn energy term on the concentration and temperature was considered. The consequence of this concentration dependence is the appearance of a system of coherent solubility gaps lying near to one another instead of one curve in the case of concentration independent elastic term. The theoretically derived curves agree with the data obtained from resistometric measurements.

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Authors and Affiliations

  1. Institute of Solid State Physics, Czechosl. Acad. Sci., Prague, Cukrovarnická 10, Praha 6

    J. Lašek

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  1. J. Lašek
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Für zahlreiche anregungsvolle Diskussionen danke ich Herrn Dr. V. Syneček. Für die Aufstellung des Programms für die Rechenmaschine ZUSE danke ich Herrn Ing. C. Novák, CSc., Fräulein V. Beránková bin ich für die technische Hilfe zu Dank verpflichtet.

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Lašek, J. über den einfluss der Durchschnittlichen Zusammensetzung auf die Lage der Kohärenten Mischungslücke von Al-Zn Legierungen. Czech J Phys 15, 848–857 (1965). https://doi.org/10.1007/BF01688365

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  • DOI: https://doi.org/10.1007/BF01688365

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