| Full text | |
| Author(s): |
Total Authors: 2
|
| Affiliation: | [1] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo - Brazil
[2] Univ Sao Paulo, Dept Met & Mat Engn, Computat Mat Sci Lab, Escola Politecn, BR-05509900 Sao Paulo - Brazil
Total Affiliations: 2
|
| Document type: | Journal article |
| Source: | Brazilian Journal of Physics; v. 44, n. 2-3, p. 208-214, JUN 2014. |
| Web of Science Citations: | 2 |
| Abstract | |
For random, diluted, multicomponent solutions, the excess chemical potentials can be expanded in power series of the composition, with coefficients that are pressure- and temperature-dependent. For a binary system, this approach is equivalent to using polynomial truncated expansions, such as the Redlich-Kister series for describing integral thermodynamic quantities. For ternary systems, an equivalent expansion of the excess chemical potentials clearly justifies the inclusion of ternary interaction parameters, which arise naturally in the form of correction terms in higher-order power expansions. To demonstrate this, we carry out truncated polynomial expansions of the excess chemical potential up to the sixth power of the composition variables. (AU) | |
| FAPESP's process: | 09/14532-9 - Thermodynamic modelling of the quaternary systems Fe-Cr-Mo-C and Ni-Nb-Si-C |
| Grantee: | Luiz Tadeu Fernandes Eleno |
| Support Opportunities: | Scholarships in Brazil - Doctorate |
| FAPESP's process: | 12/04023-2 - Phase diagram of the ternary Pb-Bi-Po(lead-bismuth-polonium) system using ab-initio calculations |
| Grantee: | Luiz Tadeu Fernandes Eleno |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |