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Fe–Ti–V alloysFe-Ti-V alloys are widely used in aerospace, chemical, and other fields due to their high strength and good corrosionCorrosion resistance. The study uses vanadium titaniumTitanium magnetite concentrateMagnetite concentrate as raw material and conducts thermodynamic analysisThermodynamic analysis on the preparation of Fe–Ti–V alloysFe-Ti-V alloys by molten saltMolten salt electro-deoxidation process in a temperatureTemperature range of 600–1000 ℃. The results indicate that Fe component in Fe2TiO5, Fe3O4, and FeV2O4 is preferentially reduced to elemental iron. After the reduction of Fe component in FeV2O4, the reduction of V component occurs (V2O3 → VO → V). Before 790 ℃, the Fe component of FeTiO3 is preferentially reduced to elemental iron compared to Ti component. At 790–1000 ℃, Ti component undergoes the first step of reduction (FeTiO3 → Ti3O5), followed by a stepwise reduction reaction of FeO and Ti components (Ti3O5 → Ti2O3 → TiO2TiO2 → Ti), ultimately forming Fe–Ti–V alloysFe-Ti-V alloys.

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Thermodynamic Analysis of Fe–Ti–V Alloys Prepared by Molten Salt Electrolysis of Vanadium Titanium Magnetite Concentrate

  • 会议论文

  • 发表日期：

    2025年

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  • Lankun Zhao,
  • Hui Li,
  • Jinglong Liang,
  • Yu Yang

摘要

Fe–Ti–V alloysFe-Ti-V alloys are widely used in aerospace, chemical, and other fields due to their high strength and good corrosionCorrosion resistance. The study uses vanadium titaniumTitanium magnetite concentrateMagnetite concentrate as raw material and conducts thermodynamic analysisThermodynamic analysis on the preparation of Fe–Ti–V alloysFe-Ti-V alloys by molten saltMolten salt electro-deoxidation process in a temperatureTemperature range of 600–1000 ℃. The results indicate that Fe component in Fe2TiO5, Fe3O4, and FeV2O4 is preferentially reduced to elemental iron. After the reduction of Fe component in FeV2O4, the reduction of V component occurs (V2O3 → VO → V). Before 790 ℃, the Fe component of FeTiO3 is preferentially reduced to elemental iron compared to Ti component. At 790–1000 ℃, Ti component undergoes the first step of reduction (FeTiO3 → Ti3O5), followed by a stepwise reduction reaction of FeO and Ti components (Ti3O5 → Ti2O3 → TiO2TiO2 → Ti), ultimately forming Fe–Ti–V alloysFe-Ti-V alloys.