The excess enthalpies of liquid Ge-Pb-Te alloys

Autor(en): Blachnik, R
Binder, J
Schlieper, A
Stichwörter: Metallurgy & Metallurgical Engineering; OPTIMIZATION; SYSTEM
Erscheinungsdatum: 1997
Herausgeber: CARL HANSER VERLAG
Journal: ZEITSCHRIFT FUR METALLKUNDE
Volumen: 88
Ausgabe: 7
Startseite: 522
Seitenende: 528
Zusammenfassung: 
The excess enthalpies of liquid alloys in the ternary system Ge-Pb-Te were determined at 1210 K in a heat flow calorimeter for five sections GeyPb1-y-Te with y = 0.2, 0.4, 0.5, 0.6 and 0.8 and at 1153 for Ge0.5Pb0.5-Te. The enthalpy surface in the ternary system is determined by a valley of exothermic minima, stretching from an exothermic minimum at the composition GeTe to one at the composition PbTe in the respective binaries. The excess enthalpies in the timing metallic binary were adapted with the Redlich-Kister formalism. For the description of the thermodynamic functions in the ternary system the equation of Bonnier was taken using ternary coefficients. The calculated curves are in good agreement with the experimental data.
ISSN: 00443093

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