I. Zh. Sattybaev, V. G. Postovalov, V. P. Kondratiev.
ABSTRACT
Systematic experimental data on the density and volume properties of binary melts are extremely scarce, although they are necessary for accurate measurement of the thermophysical properties of melts and optimization of production processes in metallurgy. The paper presents the original procedure for calculating the density and volume properties of binary melts. In the case of the aluminum-copper system, it is used to derive empirical equations that make it possible to enough accurately calculate the density, molar and excess volumes of melts containing from 0 to 100% copper in the temperature range from liquidus to 1730-1900 K. Adequacy of density and volume properties calculation results are shown by comparing them with experimental data. In addition, they are in good agreement with the data on the excess Gibbs energy and the phase diagram of the aluminum-copper system.
KEYWORDS
aluminium-copper melts, density, molar volume, excess volume.
DOI: 10.31857/S0235010622020074