Please use this identifier to cite or link to this item:
|Title:||Thermodynamic assessment of the LiF-NiF2, NaF-NiF2 and KF-NiF2 systems|
|Authors:||OCADIZ-FLORES JAEN ALONSO; CAPELLI ELISA; RAISON PHILIPPE; KONINGS RUDY; SMITH ANNA|
|Citation:||JOURNAL OF CHEMICAL THERMODYNAMICS vol. 121 p. 17-26|
|Publisher:||ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD|
|Type:||Articles in periodicals and books|
|Abstract:||Using the modified quasi-chemical model in the quadruplet approximation, three new thermodynamic assessments of binary systems useful for the detailed operational design of the Molten Salt Reactor are presented: AF-NiF2 (A = Li, Na, K). These systems are particularly relevant for the study of the molten salt-structural materials interaction, as the salt containment is made of a Ni-based alloy. Using powder X-ray Diffraction (XRD) and Differential Scanning Calorimetry (DSC), new experimental data were gathered for two of these systems, LiF-NiF2 and KF-NiF2, and compared to previous experimental assessments. Our data have confirmed the formation of a F solid solution. The three thermodynamic models show a very good agreement with the experimental data. The melting point of NiF2 was measured for the first time to be T = (1629 ± 5) K, and the thermal expansion coefficient for Li2NiF4 was found to be in the temperature range T = (298–773) K.|
|JRC Directorate:||Nuclear Safety and Security|
Files in This Item:
There are no files associated with this item.
Items in repository are protected by copyright, with all rights reserved, unless otherwise indicated.