Vaporization processes and thermodynamic properties of the SrO-ZrO<sub>2 </sub> system at high temperatures-Reference-Cited by-同舟云学术

Vaporization processes and thermodynamic properties of the SrO-ZrO<sub>2 </sub> system at high temperatures

Published:2023-12-15 Issue:12 Volume:93 Page:1960-1968
ISSN:0044-460X
Container-title:Журнал общей химии
language:
Short-container-title:Žurnal obŝej himii

Author:

Lopatin S. I.¹²,Stolyarov V. L.¹²,Fedorova A. V.¹²,Selyutin A. A.²

Affiliation:

1. I.V. Grebenshchikov Institute of Silicate Chemistry of the Russian Academy of Sciences

2. St. Petersburg University

Abstract

Vaporization processes and thermodynamic properties of the SrO-ZrO2 system in the concentration range from 10 to 90 mol% SrO were studied by high-temperature differential mass spectrometry. Evaporation of the studied samples were carried out from tungsten Knudsen effusion cell. Partial pressures of vapor species in the temperature range of 1975-2800 K were determined. The values of SrO and ZrO2 activities, as well as Gibbs energies and excess Gibbs energies in the composition range from 90 to 45 mol% SrO were obtained at the temperature of 1940 K and from 45 to 10 mol% SrO at the temperature of 2123 K. It is established that in the SrO-ZrO2 system minor negative deviations from ideal behavior are observed.

Publisher

The Russian Academy of Sciences

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