Thermal properties of LiF-BeF2 and LiF-BeF2-UF4 systems as applied to molten salt reactor technologies

被引：7
|
作者：
Il'ina, E. [1 ]
Mushnikov, P. [1 ]
Pershina, S. [1 ]
Rudenko, A. [1 ]
Redkin, A. [1 ]
Zaikov, Yu [1 ]
Kholkina, A. [1 ]
Voronin, V. [2 ]
机构：
[1] Russian Acad Sci, Inst High Temp Electrochem, Ural Branch, Akad Skaya St 20, Ekaterinburg 620137, Russia
[2] Russian Acad Sci, MN Mikheev Inst Met Phys, Ural Branch, S Kovalevskaya St 18, Ekaterinburg 620108, Russia
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2021年 / 344卷
关键词：
Molten salt reactor; Salt fluoride mixtures; Phase transition; Peritectic compound; FUEL-CYCLE; THERMODYNAMIC ASSESSMENT; CERIUM TRIFLUORIDE; CRYSTAL-STRUCTURE; PHASE-EQUILIBRIA; VISCOSITY; FLUORIDE; LITHIUM; NUCLEAR; REFINEMENT;
D O I：
10.1016/j.molliq.2021.117731
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The thermal properties of 2LiF-BeF2 and LiF-BeF2-UF4 systems currently under active development for use in molten salt reactor designs, in various countries are studied. In order to establish liquidus and solidus temperatures of these systems, the Differential Scanning Calorimetry (DSC) method at a constant heating (cooling) rate was used. A distinction between results obtained in heating and cooling mode is identified on the basis of the much lower solidus peaks observed on cooling curves than on heating ones. This can be explained in terms of peculiarities of LiF-BeF2 peritectic compositions. The rate of cooling is much higher than the peritectic reaction rate. (C) 2021 Elsevier B.V. All rights reserved.
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页数：7
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