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Novel Insight into the Preparation of Ti-6Al-4V Alloy Through Thermite Reduction Based on the Mass Action Concentration

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Abstract

Based on the mass action concentration theory, a novel thermodynamic analysis for the raw material ratio in the procedure of preparing Ti−6Al−4V alloy by aluminothermic reduction process is proposed in this paper, which is originated from TiO2, Al particles, and V2O5 as feedstocks, and the relevant equilibrium thermodynamics was calculated through this new method. The results show that the range of aluminum addition coefficient in raw material to experiment should be controlled within 61.5%–100%, which can significantly reduce the number of experimental groups. This method is ready to regulate the matter of excessive aluminum content in reactants for materials preparation, especially for those reactions including elements that are effortless to combine with aluminum to form the corresponding intermetallics or alloys. In addition, it can also be used in general metallurgy or material preparation process to effectively predict the composition and proportion of equilibrium components under certain conditions.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Liaocheng University, Liaocheng, 252059, China

    Yulai Song  (宋玉来)

  2. Key Laboratory of Ecological Metallurgy of Multi-metal Intergrown Ores, Ministry of Education, Northeastern University, Shenyang, 110819, China

    Zhihe Dou & Ting’an Zhang  (张廷安)

  3. School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang, 471003, China

    Chu Cheng

Authors
  1. Yulai Song  (宋玉来)
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  2. Zhihe Dou
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  3. Chu Cheng
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  4. Ting’an Zhang  (张廷安)
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Corresponding author

Correspondence to Ting’an Zhang  (张廷安).

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Conflict of interest

All authors declare that there are no competing interests.

Funded by the National Natural Science Foundation of China (No. U1908225), the Doctoral Scientific Research Foundation of Liaocheng University (No.318052124)

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Song, Y., Dou, Z., Cheng, C. et al. Novel Insight into the Preparation of Ti-6Al-4V Alloy Through Thermite Reduction Based on the Mass Action Concentration. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 38, 652–658 (2023). https://doi.org/10.1007/s11595-023-2741-1

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  • DOI: https://doi.org/10.1007/s11595-023-2741-1

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