ASTM C776-17(2022)

Annotation of standard text ASTM C776-17(2022) :

This specification covers sintered uranium dioxide pellets containing 235U for use in nuclear reactors. Chemical requirements include uranium content, impurity content, stoichiometry, and moisture content. Maximum concentration limits are specified for impurity elements such as: aluminum, carbon, calcium+magnesium, chlorine, chromium, cobalt, fluorine, hydrogen, iron, nickel, nitrogen, silicon, and thorium. Chemical analyses shall be performed. Nuclear requirements include isotopic content and equivalent boron content. The following are physical characteristics of the material: dimensions, pellet density, grain size and pore morphology, pellet integrity –


Keywords:
light water reactors, nuclear fuel, nuclear fuel pellets, urania, uranium dioxide ,, ICS Number Code 27.120.30 (Fissile materials and nuclear fuel technology)