Optical and scanning electron microscopy, electron microprobe analysis, and X-ray diffraction are employed to examine alloys in the Cu–Ti–Zr ternary system, annealed at 750°C, with copper content from 0 to 50 at.%. A partial isothermal section of the phase diagram is constructed at 750°C in the composition range in question. The existence of a continuous series of solid solutions between CuTi2 and CuZr2 isostructural compounds (γ phase, MoSi2 type) is confirmed. The homogeneity ranges of Cu2TiZr ternary compound (τ1, MgZn2 type) and β-(Ti, Zr), (CuTi) (CuTi type), and CuZr (CsCl type) solid solutions are determined.
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The authors are grateful to V. B. Sobolev (Technical Center of the National Academy of Sciences of Ukraine) for the technical assistance in the research.
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Translated from Poroshkovaya Metallurgiya, Vol. 56, Nos. 1–2 (513), pp. 102–114, 2017.
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Storchak-Fedyuk, A.M., Artyukh, L.V., Duma, L.A. et al. Phase Equilibria in the Cu–Ti–Zr System at 750°C. I. The Isothermal Section with Copper Content from 0 to 50 at.%. Powder Metall Met Ceram 56, 78–87 (2017). https://doi.org/10.1007/s11106-017-9874-8
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DOI: https://doi.org/10.1007/s11106-017-9874-8