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Thermodynamic Properties of Melts of the Ternary System Ag–Al–Yb
Russian Journal of Physical Chemistry A ( IF 0.7 ) Pub Date : 2020-08-06 , DOI: 10.1134/s0036024420080245 L. A. Romanova , V. G. Kudin , V. S. Sudavtsova , P. I. Levchenko , M. I. Ivanov
中文翻译:
三元体系Ag-Al-Yb熔体的热力学性质
更新日期:2020-08-06
Russian Journal of Physical Chemistry A ( IF 0.7 ) Pub Date : 2020-08-06 , DOI: 10.1134/s0036024420080245 L. A. Romanova , V. G. Kudin , V. S. Sudavtsova , P. I. Levchenko , M. I. Ivanov
Abstract
Isoperibolic calorimetry is used to determine the enthalpies of mixing of liquid alloys of the Ag‒Al–Yb system along two radial sections with a constant ratio of atomic fractions of aluminum and silver: (1) xAg/xAl = 0.46/0.54 at 1271 ± 1 K and (2) xAg/xAl = 0.19/0.81 for 1454 ± 5 K up to xYb ∼ 0.2. It is found that melts of the studied system form with the release of a small amount of heat (ΔHmin = −29 kJ/mol), and the minimum ΔH accounts for the middle of the concentration triangle. Using the geometric and analytical Redlich–Kister models, calculations are made for ΔH triple system melts Ag–Al–Yb using similar data for double boundary subsystems.中文翻译:
三元体系Ag-Al-Yb熔体的热力学性质