Abstract
A systematic investigation has been carried out to determine both the γ liquidus and solidus surfaces above the Ni solid solution in the Ni-Al-X ternary phase diagrams successively by differential thermal analysis. Each of the group IV elements in the periodic table, Ti, Zr, and Hf, was chosen as the ternary additive X in the present study. As a basis, γ liquidus and solidus temperatures in the Ni-Al binary system were reinvestigated and evaluated. The γ solvus was also taken into account to determine a temperature range for a solid-solution treatment above the γ solvus, generally called “the window,” as well as the maximum solubility limit of γNi solid solution.
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Miura, S., Hong, Y.M., Suzuki, T. et al. Liquidus and solidus temperatures of Ni-solid solution in Ni-Al-X (X: Ti, Zr, and Hf) ternary systems. JPE 20, 193–198 (1999). https://doi.org/10.1361/105497199770335712
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DOI: https://doi.org/10.1361/105497199770335712