The tetravalent oxide of uranium, with molecular formula UO2, CaF2 type face-centered cubic structure, lattice constant (at 293K) 0. 54704nm, theoretical density 10.97 × 10 ^ 3kg/m3, thermal conductivity is low, temperature, density, irradiation and stoichiometric deviation have a greater impact on thermal conductivity, thermal expansion coefficient (2.73-1273K) 10X10-6/K, melting point (3138 ± 15) K.
Energy Materials -> Nuclear energy materials