Uranium zirconium hydride (UZrH, ), a dispersion of metallic
uranium
Uranium is a chemical element; it has chemical symbol, symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Ura ...
in a matrix, is used as the fuel in
TRIGA
TRIGA (Training, Research, Isotopes, General Atomics) is a class of nuclear research reactor designed and manufactured by General Atomics. The design team for TRIGA, which included Edward Teller, was led by the physicist Freeman Dyson.
Design
...
reactors. UZrH fuel is used in most research reactors at universities and has a large, prompt negative
fuel temperature coefficient of reactivity, meaning that as the temperature of the core increases, the reactivity rapidly decreases.
Franco-Belge de Fabrication du Combustible, in
Romans-sur-Isère
Romans-sur-Isère (; ; Old Occitan: ''Romans'') is a Communes of France, commune in the Drôme Departments of France, department in southeastern France.
Geography
Romans-sur-Isère is located on the Isère (river), Isère, northeast of Valence, ...
, France, is the only manufacturer of this fuel.
References
External links
Technical Foundations of TRIGA: Thermalization In Zirconium Hydride
{{DEFAULTSORT:Uranium zirconium hydride
Nuclear fuels
Nuclear materials
Uranium