Tree of phases of the Li,Na,Ba‖F,Br quaternary reciprocal system and study of the LiF-NaBr-BaFBr stable triangle |
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| Authors: | M A Istomova G E Egortsev and I K Garkushin |
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| Institution: | (1) Institute of Experimental Mineralogy, Russian Academy of Sciences, Chernogolovka, Moscow District, 142432, Russia;(2) Department of Geology, Moscow State University, Vorobievy Gory, Moscow, 119899, Russia;(3) Dipartimento di Scienze della Terra, University of Firenze, Via La Pira 4, I-50121 Firenze, Italy |
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| Abstract: | The Li,Ba‖F,Br ternary reciprocal system was investigated by differential thermal analysis. The T-x diagrams of the polythermal sections studied and the liquidus of the system were constructed. It was deter-mined that the
system is of the adiagonal section type with a subordinate diagonal (according to Bergman’s classification). The characteristics
and enthalpies of melting of the alloys corresponding to invariant equilibrium points were found. The Li,Na,Ba‖F,Br quaternary
reciprocal system was partitioned, and the tree of phases was constructed. The LiF-NaBr-D1(BaFBr) stable triangle was experimentally studied, the liquidus was constructed, and the characteristics of the alloy corresponding
to a ternary eutectic were determined. |
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