Thermodynamic potentials of metallic alloys in the undercooled liquid and solid glassy states

2025/07/03 by Makarov, A. S., Konchakov, R. A., Kobelev, N. P. +1
#Disordered Systems and Neural Networks (cond-mat.dis-nn) #FOS: Physical sciences

paper · doi:10.48550/arxiv.2507.02609

Abstract

We first present a comparative analysis of temperature evolution of the excess thermodynamic potentials (state functions), the enthalpy ΔH, entropy ΔS and Gibbs free energy ΔΦ, determined for i) undercooled melts using literature data and ii) solid glassy state calculated on the basis of calorimetry measurements using an approach proposed recently. Three metallic alloys were taken as an example for data analysis. It is found that temperature dependences ΔH(T), ΔS(T) and ΔG(T) calculated with both approaches coincide in the supercooled liquid range (i.e. at temperatures T_g

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