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Phase Equilibria Investigation of Binary, Ternary, and Higher Order Systems, Part IX - Calculation of Thermodynamic Quantities from Phase Diagrams

Report Number: AFML TR 69-117 Part 9
Author: Rudy, E.
Corporate Author: Aerojet-General Corporation
Laboratory: Air Force Materials Laboratory
Date of Publication: 1970-08
Pages: 50
Contract: F33615-67-C-1513
Project: 7350
Task: 735001
AD Number: AD0713712

The thermodynamic fundamentals relating phase equilibria in binary and ternary systems to the thermodynamic properties of the phases are reviewed and discussed. Considered in detail are partition equilibria in ternary systems and the role of the three-phase equilibrium in the determination of the relative stabilities of stable as well as hypothetical phases. Sample calculations carried out on selected ternary metal-carbon and a metal silicate system demonstrate the application of the equations for extracting thermodynamic data from phase diagrams and also for the prediction of phase equilibria.

Lockheed Martin Missiles & Fire Control
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