Phase Equilibria and Phase Transformations at High Temperatures in Ternary Alloys of the Ni–Ti–Zr System at 50–100 Ni at.%

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Alloys of the ternary Ni–Ti–Zr system containing 50 to 100 at.% Ni that were annealed at subsolidus temperatures were examined by scanning electron microscopy, electron microprobe analysis, and differential thermal analysis. The solidus surface was constructed in this composition range. A new ternary phase of composition Ni69.2Ti12.5Zr18.3 was found.