Thermodynamic Properties of Alloys of the Sn–Yb System

V. S. Sudavtsova; M. A. Shevchenko; M. I. Ivanov; A. S. Kozorezov; V. G. Kudin

doi:10.1134/S0036024418040295

Thermodynamic Properties of Alloys of the Sn–Yb System

Authors: Sudavtsova V.S.¹, Shevchenko M.A.¹, Ivanov M.I.¹, Kozorezov A.S.¹, Kudin V.G.¹
Affiliations:
1. Frantsevich Institute for Problems of Materials Science
Issue: Vol 92, No 4 (2018)
Pages: 630-639
Section: Chemical Thermodynamics and Thermochemistry
URL: https://journal-vniispk.ru/0036-0244/article/view/169950
DOI: https://doi.org/10.1134/S0036024418040295
ID: 169950

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Abstract

Thermochemical properties of liquid alloys of the Sn–Yb system are studied via calorimetry at 1110–1310 K over the ranges of concentrations 0 < x_Yb < 0.47 and 0.82 < x_Yb < 1. Considerable negative heat effects of the mixing of these alloys are identified. Activities of the components, the Gibbs energies and entropies of mixing, and the liquidus curve of the phase diagram of this system are calculated using the ideal associated solution (IAS) model and agree with data from the literature.