Abstract

The purpose of this work is to present a thermodynamic modeling of oxygen solubility data of metallic and liquid titanium and also of thermodynamic data of titanium alloys not applied up to now for such a work. In view of focusing this work on the metallic part of the system Ti-O an attempt will be made to use fewer model parameters in comparison with previous studies, where the thermodynamics of titanium oxides were also involved. Sublattice models are chosen taking structural features of the bcc and hcp titanium solid solutions into consideration. Since higher oxygen content increases the ionic character in he liquid phase an associate model is used.

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