Phase equilibria in the quaternary Ni-Re-Nb-Cr system at 1375 K determined using the graph methodстатья
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Аннотация: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++, and +γ++Re, and three nonprojected 3-phase equilibria, α++, ++ and ++, 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.