Modelling and Calculation of the LiF-NaF-MF3 (M=La,Ce,Pu) Phase Diagrams
The ternary systems LiF-NaF-LaF3 and LiF-NaF-CeF3 have been experimentally
analyzed and thermodynamically assessed. Two models were used and compared
to describe the excess Gibbs terms of the binary subsystems. One was a regular
polynomial description of the excess terms, the other a quasi-chemical with the
quadruplet approximation. In both cases, a fine agreement with the experimental
data was achieved, after asymmetrical extrapolation from the binary to the ternary
systems. The binary systems of the related actinide system LiF-NaF-PuF3 were
assessed making use of experimental data known from the literature. The lanthanide
systems served as a proxy for LiF-NaF-PuF3 to calculate the ternary phase diagram.
VAN DER MEER Juliette;
KONINGS Rudy;
HACK Klaus;
OONK H.A.J.;
2006-05-24
AMER CHEMICAL SOC
JRC30240
https://publications.jrc.ec.europa.eu/repository/handle/JRC30240,
10.1021/cm051531v,
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