Abstract
Phase equilibria in the quaternary Ni-Re-Nb-Cr system at 1375 K have been determined by using the graph method combined with equilibrated alloys that were characterized with electron probe microanalysis and x-ray diffraction techniques. Three 4-phase equilibria, α + βCr + λ + σ, α + βNb + λ + χ, and α + γ + σ + Re, and three nonprojected 3-phase equilibria, α + λ + χ, α + λ + σ and α + σ + χ, have been experimentally established. In addition, the graph method suggested the existence of the following four other 4-phase equilibria in this system at 1375 K, α + βCr + γ + σ, α + βNb + λ + μ, α + λ + σ + χ, and α + σ + χ + Re.
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This work was financially supported by the Russian Foundation for Basic Research (Project No. 13-03-00977).
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Kerimov, E., Nikolaev, S. & Slyusarenko, E. Phase Equilibria in the Quaternary Ni-Re-Nb-Cr System at 1375 K Determined Using the Graph Method. J. Phase Equilib. Diffus. 37, 135–148 (2016). https://doi.org/10.1007/s11669-015-0434-y
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DOI: https://doi.org/10.1007/s11669-015-0434-y