Application of the modified quasichemical model to solutions with strong short-range ordering

Saulov, D.N. (2007) Application of the modified quasichemical model to solutions with strong short-range ordering. Journal of Non-crystalline Solids, 353 30-31: 2845-2851.


Author Saulov, D.N.
Title Application of the modified quasichemical model to solutions with strong short-range ordering
Journal name Journal of Non-crystalline Solids   Check publisher's open access policy
ISSN 0022-3093
Publication date 2007
Year available 2007
Sub-type Article (original research)
DOI 10.1016/j.jnoncrysol.2007.06.010
Volume 353
Issue 30-31
Start page 2845
End page 2851
Total pages 7
Editor Simmons, J.H.
Place of publication Amsterdam
Publisher Elsevier Science Bv
Collection year 2008
Language eng
Subject 290501 Mechanical Engineering
780102 Physical sciences
C1
Abstract The present study is concerned with analysis of a specific feature of the modified quasichemical solution model (MQSM). The analyzed feature is typical for binary solutions with very strong short-range ordering. As demonstrated, a solid compound whose composition coincides with that of maximum ordering in the liquid is required for reasonable representation of phase equilibria in such a system. The limiting slopes of the liquidus curve of the compound are calculated. As a demonstrational example, the thermodynamic model for the system K2O-SiO2 with the MQSM for the liquid phase is re-optimized. The new parameters of the thermodynamic model fit the available experimental data and represents reasonable phase relations for the entire compositional range. (c) 2007 Elsevier B.V. All rights reserved.
Keyword Materials Science, Ceramics
Materials Science, Multidisciplinary
modeling and simulation
phases and equilibria
short-range order
Binary Silicate Systems
Thermodynamic Properties
Structural Model
Phase-equilibria
Heat-capacity
K2o-sio2
Melts
Na2o-sio2
Q-Index Code C1
Q-Index Status Confirmed Code

 
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Created: Mon, 18 Feb 2008, 15:09:42 EST