Emanation investigation of the structure microheterogeneities of Fe-S, Co-S and Ni-S melts

  • O. A. Kapustin
  • V. A. Bryukvin
  • K. B. Zaborenko
Article

Abstract

Liquid-liquid structural transitions have been investigated by means of the emanation method in Fe−S, Co−S, Ni−S melts near the eutectic point. Both polythermal and isothermal conditions were used in the experiments. The superheating values were 0–300 ° above the melting temperature. In order to calculate the diffusion coefficient of220Rn in melts a model connecting the emanation level with the diffusion coefficient of radon was employed. Using the diffusion coefficient vs. viscosity relationship /the Stokes-Einstein relation/ the viscosity of melts as a function of the composition and temperature was obtained. Cluster-formation in sulphide melts was estimated theoretically, the particle number in a cluster as a function of the composition was determined, and a correlation was established between viscosity and particle number in clusters vs. composition.

Keywords

Viscosity Physical Chemistry Sulphide Inorganic Chemistry Diffusion Coefficient 

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Copyright information

© Akadémiai Kiadó 1985

Authors and Affiliations

  • O. A. Kapustin
    • 1
  • V. A. Bryukvin
    • 1
  • K. B. Zaborenko
    • 1
  1. 1.Department of ChemistryLomonosov State UniversityMoscowGSP, USSR

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