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- Title
Thermodynamic modeling of the lattice properties of ThO<sub>2</sub>-5wt.%CeO<sub>2</sub> mixed oxides with different porosity.
- Authors
Filanovich, A. N.; Povzner, A. A.
- Abstract
A self-consistent model of thorium dioxide and its dilute alloys with cerium is developed. Thermal and elastic properties of ThO2 and several variations of Ce 0. 0 5 Th 0. 9 5 O2 synthesized by various techniques (powder processing and pelletization (POP) and coated agglomerate pelletization process (CAP) and using two different atmospheres, i.e., air or Ar + H2 mixture) are simulated. The influence of porosity on degree of phonon anharmonicity and on the lattice properties (in particular, thermal conductivity) of the considered systems is analyzed.
- Subjects
ELASTICITY; POROSITY; THORIUM dioxide; CERIUM alloys; THERMAL properties; DILUTE alloys
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2019, Vol 33, Issue 14, pN.PAG
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979219501467