Abstract

The binary silver-titanium system attracts interest due to its application in the brazing ceramic components as well as a material for the selective electroanalytic conversion of CO2. The experimental investigation of this system is very difficult due to the big difference between the melting temperatures of silver and titanium and the wide binary phase region that includes liquid and titanium. Taking into account experimental difficulties it makes sense to apply computational methods to determine the thermodynamic properties of the phases in the silver-titanium system. In this work, the ab initio methods were used to calculate formation energy, heat capacity, and elastic properties of the AgTi and AgTi2 phases. After that, thermodynamic modeling was done and a set of Gibbs energies of all phases in this system was obtained.

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