Chlorine evolution during the fusion of chlorofluoroindate glasses
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Samples with a composition of 40InF 3-20ZnF 2-5MCl- xBaF 2-ySrF 2, where M=Na, Li and x+y=35 mol%, were prepared. The thermal properties related to the Ba/Sr ratio and to the remaining chlorine content in the glasses were studied. Thermal stability is improved with the addition of chlorine. However, chlorine concentration is regulated by the sublimation of indium fluorides which takes place at about 600°C. Indium fluorides arc formed during glass fusion. The mechanisms of chlorine sublimation were studied. © 2005 Akadémiai Kiadó, Budapest.
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Fusion process, Intermediate reactions, Sublimated compounds, Barium, Fusion reactions, Glass, Indium compounds, Strontium, Sublimation, Thermal effects, Thermodynamic properties, Thermodynamic stability, Fluoride glasses, Fusion processes, Chlorine
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Inglês
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Journal of Thermal Analysis and Calorimetry, v. 79, n. 2, p. 469-472, 2005.
