Modeling the Surface Tension of Liquid Metals Over a Wide Temperature Range
摘要
To describe the atomic distributions at the interface of liquid metals with their own vapor, a lattice gas model considering interatomic interactions in a quasi-chemical approximation reflecting direct pair correlations has been proposed. Based on this model, values of surface tension for liquid metals with a face-centered cubic structure, such as Cu, Ag, Au, Al, Ni, Co, Pt, and Pb, have been calculated across the entire temperature range of vapor-liquid separation. These values have been compared with known experimental data near the melting temperature. This model allows for the prediction of surface tension values at high temperatures and the estimation of the critical temperature of the metal. The obtained results create a unified approach to describing the surface properties of liquid metals, enabling solutions to a wide range of practical problems in metallurgical processes.