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Phase Diagram Investigations of the Bi-Ti System

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Abstract

The liquidus and invariant reaction temperatures were measured by thermal analyses for Bi-Ti alloys containing 0-65 at.% of Ti. The liquidus temperatures were clearly much lower than the literature values. Equilibrium experiments showed the existence of a new phase, Bi2Ti3. However, the reported Bi3Ti2 phase was not observed in the present study. The temperatures of the peritectic reaction involving Bi2Ti, Bi9Ti8, and Bi2Ti3 were also clarified to be 425, 930, and 970 °C, respectively. Thus, a new phase diagram of the Bi-Ti system was constructed.

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Acknowledgments

This work was financially supported by the Advanced Low Carbon Technology Research and Development Program (Japan Science and Technology Agency). The authors would like to acknowledge Kamioka Mining & Smelting Co. Ltd. for supplying the Bi metal. We would also like to express our deep thanks to Prof. Nose and Mr. Arisawa at Kyoto University.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Graduate School of Engineering, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto, 606-8501, Japan

    Sho Maruyama, Yuya Kado & Tetsuya Uda

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  1. Sho Maruyama
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  2. Yuya Kado
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  3. Tetsuya Uda
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Correspondence to Sho Maruyama or Tetsuya Uda.

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Maruyama, S., Kado, Y. & Uda, T. Phase Diagram Investigations of the Bi-Ti System. J. Phase Equilib. Diffus. 34, 289–296 (2013). https://doi.org/10.1007/s11669-013-0243-0

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  • DOI: https://doi.org/10.1007/s11669-013-0243-0

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