Thermodynamic assessments of the Al–Th and Th–Zn systems

The phase diagrams of the Al–Th and Th–Zn systems have been evaluated by using the Calculation of Phase Diagrams (CALPHAD) method with the experimental data including the phase equilibria and thermodynamic properties. The Gibbs free energies of the liquid, bcc and hcp phases were described by the su...

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Published inJournal of nuclear materials Vol. 396; no. 2-3; pp. 170 - 175
Main Authors Li, Z.S., Liu, X.J., Wen, M.Z., Wang, C.P., Tang, A.T., Pan, F.S.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 31.01.2010
Elsevier
Subjects
Applied sciences
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
Nuclear reactor materials
Phase diagrams
Thermodynamic modeling
Thermodynamic modeling
Phase diagrams
Nuclear reactor materials
Thermodynamics
Gibbs free energy
Phase diagram
Computing method
Free energy
Nuclear reactor
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Summary:The phase diagrams of the Al–Th and Th–Zn systems have been evaluated by using the Calculation of Phase Diagrams (CALPHAD) method with the experimental data including the phase equilibria and thermodynamic properties. The Gibbs free energies of the liquid, bcc and hcp phases were described by the subregular solution model with the Redlich–Kister equation, and those of the stoichiometric compounds of the Th2Al, Th3Al2, ThAl, Th2Al3, ThAl2, ThAl3, Th2Al7, Th2Zn, ThZn2, ThZn4 and Th2Zn17 were described by the two-sublattice model. The calculated phase equilibria and thermodynamic properties are in good agreement with the experimental data.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0022-3115
1873-4820
DOI:10.1016/j.jnucmat.2009.10.068