[2O01-03] Vitrification 2

[2O01] Construction of Glass Database

(1)Acquisition of required thermodynamic properties for the construction of computational phase diagrams of vitrified wastes

*Ippei AMAMOTO¹, Koichi OHYAMA¹, Daigen FUKAYAMA², Yuichi NAGANO², Tatjana JANTZEN³, Kraus HACK³ (1. JAEA, 2. RCCM, 3. GTT Technologies)

Keywords:Glass database, high-level radioactive liquid waste (HALW), fission products (FP), CALPHAD(Calculation of Phase Diagram) method, computational phase diagram, vitrified waste, Gibbs function, modified associated solution model

Some thermodynamic properties for the vitrified medium and fission products (FPs) were acquired by the CALPHAD method. These obtained data made it possible for construction of various computational phase diagrams.