ASTM C922-21

Anotace textu normy ASTM C922-21 :

This specification covers finished pellets composed of sintered gadolinium oxide-uranium dioxide of any concentration for use in light-water reactors. Materials shall adhere to specified chemical (impurity content, stoichiometry, moisture content, and gadolinium oxide concentration), nuclear (isotopic content), and physical (dimensions, density, homogeneity, integrity, axial and circumferential surface cracks, cylindrical surface chips, pellets ends, cleanliness and workmanship, identification, and irradiation stability) requirements.


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