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Experimental Investigation of Phase Equilibria in the Cu–Mo–Ti Ternary System

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Abstract

Phase equilibria of the Cu–Mo–Ti ternary system at 800 and 900 °C have been experimentally investigated using electron probe microanalysis and x-ray diffraction analysis. A ternary intermetallic compound (τ phase) was newly found, exhibiting a homogeneity range at both 800 and 900 °C. Furthermore, the nominal as-cast alloys Cu50Mo10Ti40, Cu30Mo30Ti40, Cu15Mo50Ti35, Cu40Mo30Ti30, Cu15Mo20Ti65, Cu15Mo30Ti55, Cu15Mo25Ti60, Cu40Mo10Ti50, and Cu60Mo5Ti35 presented a common separated microscopic morphology because of the ternary extent of the Cu–Mo binary liquid phase separation. The newly determined phase equilibria may provide essential information to support thermodynamic assessment and development of Cu–Mo-based alloys.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (Grant Nos. 51771158, 51571168 and 51471138) and Ministry of Science and Technology of China (Grant No. 2014DFA53040).

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Authors and Affiliations

  1. College of Materials and Fujian Provincial Key Laboratory of Materials Genome, Xiamen University, Xiamen, People’s Republic of China

    C. P. Wang, H. Liu, M. J. Yang, H. X. Jiang, H. Y. Zhang & X. J. Liu

  2. Department of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, People’s Republic of China

    X. J. Liu

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  1. C. P. Wang
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  2. H. Liu
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Correspondence to X. J. Liu.

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Wang, C.P., Liu, H., Yang, M.J. et al. Experimental Investigation of Phase Equilibria in the Cu–Mo–Ti Ternary System. J. Phase Equilib. Diffus. 39, 35–43 (2018). https://doi.org/10.1007/s11669-017-0604-1

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  • DOI: https://doi.org/10.1007/s11669-017-0604-1

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