A thermodynamic analysis of the Al-Re system |
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Authors: | W Huang and Y A Chang |
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Affiliation: | (1) Department of Materials Science and Engineering, University of Wisconsin-Madison, 53706 Madison, WI |
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Abstract: | Phase equilibria and thermodynamic data of the Al-Re system are critically reviewed. In addition to the three solution phases,
liquid, fcc Al, and hcp Re, there exist six intermetallic compounds in this binary. The thermodynamic properties of the system
are analyzed using thermodynamic models for the Gibbs energy of individual phases of the system. A regular solution model
is used for the three substitutional solution phases, and the intermetallic phases are treated as stoichiometric compounds.
The model parameters are optimized from a limited amount of experimental data. The calculated phase diagram and thermodynamic
values are in accord with the available experimental values. |
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Keywords: | |
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