발간논문

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Vol.19, No.11, 947 ~ 952, 1981
Title
Thermodynamic Calculation of W - Ni - Fe Ternary Phase Diagram at 1540℃
안성태 Sung Tae Ahn
Abstract
Liquids-α two phase region of W-Ni-Fe system at 1540℃ has been calculated thermodynamically from ternary regular solution model of Meijering, Kaufman and Bernstein. The results have been compared with the experimental liquidus line and the solidus line calculated from experimental liquidus data and two equations of ternary equilibrium conditions. The deviation between the calculated and the experimental liquidus lines becomes greater as the Fe/Ni ratio increases, which is expected to be resulted from the simplified ternary regular solution model. The two solidus lines show relatively good agreement, especially when Fe/Ni ratio is low.
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