Thermodynamic modeling of the Fe−Zn system using exponential temperature dependence for the excess Gibbs energy
The Fe-Zn binary system was re−modeled using exponential equation Li=hi•exp(-T/τi) (i=0,1,2…) to describe the excess Gibbs energy of the solution phases and intermetallic compounds with large homogeneities. A self-consistent set of thermodynamic parameters is obtained and the calculated phase di...
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| Format: | Article |
| Language: | English |
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University of Belgrade, Technical Faculty, Bor
2011-01-01
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| Series: | Journal of Mining and Metallurgy. Section B: Metallurgy |
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| Online Access: | http://www.doiserbia.nb.rs/img/doi/1450-5339/2011/1450-53391101001T.pdf |
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| _version_ | 1832569973435793408 |
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| author | Tang Y. Yuan X. Du Y. Xiong W. |
| author_facet | Tang Y. Yuan X. Du Y. Xiong W. |
| author_sort | Tang Y. |
| collection | DOAJ |
| description | The Fe-Zn binary system was re−modeled using exponential equation Li=hi•exp(-T/τi) (i=0,1,2…) to describe the excess Gibbs energy of the solution phases and intermetallic compounds with large homogeneities. A self-consistent set of thermodynamic parameters is obtained and the calculated phase diagrams and thermodynamic properties using the exponential equation agree well with the experimental data. Compared with previous assessments using the linear equation to describe the interaction parameters, the artificial miscibility gap at high temperatures was removed. In addition, the calculated thermodynamic properties of the liquid phase were more reasonable than those resulting from all the previous calculations. The present calculations yield noticeable improvements to the previous calculations. |
| format | Article |
| id | doaj-art-f9b3e08e460a4624ad85f0757fc5d3f6 |
| institution | Kabale University |
| issn | 1450-5339 |
| language | English |
| publishDate | 2011-01-01 |
| publisher | University of Belgrade, Technical Faculty, Bor |
| record_format | Article |
| series | Journal of Mining and Metallurgy. Section B: Metallurgy |
| spelling | doaj-art-f9b3e08e460a4624ad85f0757fc5d3f62025-02-02T18:55:07ZengUniversity of Belgrade, Technical Faculty, BorJournal of Mining and Metallurgy. Section B: Metallurgy1450-53392011-01-0147111010.2298/JMMB1101001TThermodynamic modeling of the Fe−Zn system using exponential temperature dependence for the excess Gibbs energyTang Y.Yuan X.Du Y.Xiong W.The Fe-Zn binary system was re−modeled using exponential equation Li=hi•exp(-T/τi) (i=0,1,2…) to describe the excess Gibbs energy of the solution phases and intermetallic compounds with large homogeneities. A self-consistent set of thermodynamic parameters is obtained and the calculated phase diagrams and thermodynamic properties using the exponential equation agree well with the experimental data. Compared with previous assessments using the linear equation to describe the interaction parameters, the artificial miscibility gap at high temperatures was removed. In addition, the calculated thermodynamic properties of the liquid phase were more reasonable than those resulting from all the previous calculations. The present calculations yield noticeable improvements to the previous calculations.http://www.doiserbia.nb.rs/img/doi/1450-5339/2011/1450-53391101001T.pdfFe−Zn systemmiscibility gapexcess Gibbs energythermodynamic modelling |
| spellingShingle | Tang Y. Yuan X. Du Y. Xiong W. Thermodynamic modeling of the Fe−Zn system using exponential temperature dependence for the excess Gibbs energy Journal of Mining and Metallurgy. Section B: Metallurgy Fe−Zn system miscibility gap excess Gibbs energy thermodynamic modelling |
| title | Thermodynamic modeling of the Fe−Zn system using exponential temperature dependence for the excess Gibbs energy |
| title_full | Thermodynamic modeling of the Fe−Zn system using exponential temperature dependence for the excess Gibbs energy |
| title_fullStr | Thermodynamic modeling of the Fe−Zn system using exponential temperature dependence for the excess Gibbs energy |
| title_full_unstemmed | Thermodynamic modeling of the Fe−Zn system using exponential temperature dependence for the excess Gibbs energy |
| title_short | Thermodynamic modeling of the Fe−Zn system using exponential temperature dependence for the excess Gibbs energy |
| title_sort | thermodynamic modeling of the fe zn system using exponential temperature dependence for the excess gibbs energy |
| topic | Fe−Zn system miscibility gap excess Gibbs energy thermodynamic modelling |
| url | http://www.doiserbia.nb.rs/img/doi/1450-5339/2011/1450-53391101001T.pdf |
| work_keys_str_mv | AT tangy thermodynamicmodelingofthefeznsystemusingexponentialtemperaturedependencefortheexcessgibbsenergy AT yuanx thermodynamicmodelingofthefeznsystemusingexponentialtemperaturedependencefortheexcessgibbsenergy AT duy thermodynamicmodelingofthefeznsystemusingexponentialtemperaturedependencefortheexcessgibbsenergy AT xiongw thermodynamicmodelingofthefeznsystemusingexponentialtemperaturedependencefortheexcessgibbsenergy |