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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Thermodynamics and Kinetics of Alloys IV
Presentation Title Thermodynamic analysis of Ti-Al-Mo alloy prepared by molten salt electrodeoxidation process
Author(s) zekang Ban, Hui Li, Chang Liu
On-Site Speaker (Planned) zekang Ban
Abstract Scope Ti-Al-Mo alloy possesses excellent mechanical properties, biocompatibility and physical properties, etc. It is widely used in aerospace and marine engineering fields. In this paper, TiO2, Al2O3 and MoO3 were selected as raw materials, and Ti-Al-Mo alloy was prepared in NaCl-CaCl2 molten salt system by molten salt electro-deoxidation process. The thermodynamic calculation was carried out for its reduction process to determine the reaction process. The results show that at 800℃, the O2- removed by cathodic reduction will react with Ca2+ in the molten salt to affect the raw materials, respectively generating CaMoO4, CaTiO3 and CaAl12O19. Among them, the Mo component is preferentially reduced (MoO3/CaMoO4→MoO2→Mo), followed by the stepwise reduction of the Ti component (TiO2/CaTiO3→Ti3O5→Ti2O3→TiO→Ti), and finally the reduction of the Al component (Al2O3/CaAl12O19→Al), ultimately forming Ti-Al-Mo alloy.
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