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Assessment of the Mg-Zn system

R. Agarwal, S. G. Fries, H. L. Lukas, G. Petzow, F. Sommer, T. G. Chart, G. Effenberg.

Zeitschrift für Metallkunde, 83, 216-223, (1992)

Abstract
An optimised set of thermodynamic functions for the Mg-Zn binary system has been obtained by the least squares method. The phases were modelled by the Redlich-Kister formula (liquid and hcp solid solutions), and as stoichiometric phases (Mg7Zn3, MgZn, Mg2Zn3, MgZn2, and Mg2Zn11). A temperature dependent enthalpy of mixing was considered during the calculations and partial enthalpies of the melt were measured calorimetrically The results confirm a positive excess specific heat. The diagrams calculated from the resulting coefficient set agree very well with the experimental data.


Keyword(s): METALLIC GLASSES; LIQUID ALLOYS
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