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Estimation of molar volumes of some binary slags from enthalpies of mixing
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
2007 (English)In: Steel Research International, ISSN 1611-3683, Vol. 78, no 2, 102-108 p.Article in journal (Refereed) Published
Abstract [en]

In an effort to interlink the thermo chemical and thermo physical properties of slags, the present work was undertaken to derive the molar volumes of complex slags from the enthalpies of mixing of the corresponding slags. As a first step, binary systems of the following oxides were investigated; Al2O3, CaO, FeO, MgO, MnO, and SiO2. An empirical correlation was derived between the enthalpies of mixing and molar volumes. A comparison of the computed results on the basis of the above relationship with the experimental data on molar volumes available in literature shows that the agreement between the calculated results and measured densities is satisfactory in the case of most of the binary systems, within the limits of experimentally uncertainties. The advantage of the present approach is that it would enable prediction of molar volumes of slags that are compatible with the thermodynamic data available.

Place, publisher, year, edition, pages
2007. Vol. 78, no 2, 102-108 p.
Keyword [en]
density, molar volume, thermodynamics, enthalpies, model, slags, oxide melts, silicate liquids, density, melts, viscosity, tension, system, model
Identifiers
URN: urn:nbn:se:kth:diva-16486ISI: 000245189300003Scopus ID: 2-s2.0-33847768003OAI: oai:DiVA.org:kth-16486DiVA: diva2:334528
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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