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Journal of Phase Equilibria

, Volume 15, Issue 3, pp 285–294 | Cite as

Thermochemical investigation of binary liquid mixtures in glass-forming oxide systems

  • F. Müller
Article

Abstract

Methods and equipment successfully employed in high- temperature calorimetry to measure partial and integral enthalpies of mixing in liquid oxide systems are reviewed with special attention given to the drop-mixing method. This technique has been used to measure enthalpies of mixing in binary liq-uid mixtures composed of network forming oxides (e.g. SiO2) and network modifying oxides (e.g. Na2O). Results for the systems Na2O-SiO2 and Na2O- B2O3 are presented graphically. Entropies of mixing were estimated by combining enthalpies with available data on Gibbs energies of mixing. Prominent thermochemical features of glass-forming oxide melts are pointed out. The observed thermodynamic behavior is discussed in relation to its structural basis.

Keywords

Entropy Sodium Silicate Liquid Mixture Molar Enthalpy Configurational Entropy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© ASM International 1994

Authors and Affiliations

  • F. Müller
    • 1
  1. 1.Institut für GesteinshüttenkundeAachenGermany

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