THERMODYNAMICS OF MIXING AND ORDERING IN THE DIOPSIDE-JADEITE SYSTEM: II. A POLYNOMIAL FIT TO THE CVM RESULTS
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dc.contributor.author | Vinograd V.L. | |
dc.date.accessioned | 2021-06-18T05:48:32Z | |
dc.date.available | 2021-06-18T05:48:32Z | |
dc.date.issued | 2002 | |
dc.identifier | https://elibrary.ru/item.asp?id=14322491 | |
dc.identifier.citation | Mineralogical Magazine, 2002, 66, 4, 537-545 | |
dc.identifier.issn | 0026-461X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/29136 | |
dc.description.abstract | In Part I (Vinograd, 2002) the relationship between temperature, composition and free energy of the diopside-jadeite solid solution was described using a CVM model. Here the same relationship is described using a combination of Redlich-Kister (RK) polynomials and Gaussian functions. The use of the Gaussians permits an accurate description of the free energy dip centred at Jd50, which is caused by the long-range ordering, while the effect of the short-range ordering can be easily modelled using the RK polynomial. The simplified RK-Gaussian description is extended to the three-component diopside-jadeite-hedenbergite solid solution. The polynomial description permits an easy incorporation of the derived activity-composition relations into phase-equilibrium computation software. | |
dc.title | THERMODYNAMICS OF MIXING AND ORDERING IN THE DIOPSIDE-JADEITE SYSTEM: II. A POLYNOMIAL FIT TO THE CVM RESULTS | |
dc.type | Статья |
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