Coating a uranium dioxide nuclear fuel with a zirconium diboride burnable poison

Patent · Tue Apr 15 04:00:00 EST 1986

OSTI ID:5713188

Chubb, W

This patent describes a nuclear reactor fuel assembly having a fuel rod containing a burnable poison coated nuclear fuel pellet. The fuel pellet consists of: (a) a generally cylindrical substrate consisting essentially of uranium dioxide; (b) a bondably deposited layer consisting essentially of niobium circumferentially surrounding the substrate; and (c) a bondably deposited burnable poison layer consisting essentially of zirconium diboride circumferentially surrounding the niobium layer.

• Assignee: Westinghouse Electric Corp., Pittsburgh, PA
• Patent Number(s): US 4582676
• OSTI ID: 5713188
• Country of Publication: United States
• Language: English

Related Subjects

050700* -- Nuclear Fuels-- Fuels Production & Properties
050800 -- Nuclear Fuels-- Spent Fuels Reprocessing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACTINIDE COMPOUNDS
BORIDES
BORON COMPOUNDS
BURNABLE POISONS
CHALCOGENIDES
DEPOSITION
ELEMENTS
FUEL ASSEMBLIES
FUEL ELEMENTS
FUEL PELLETS
FUEL RODS
LAYERS
MATERIALS
METALS
NEUTRON ABSORBERS
NIOBIUM
NUCLEAR POISONS
OXIDES
OXYGEN COMPOUNDS
PELLETS
REACTOR COMPONENTS
REACTOR MATERIALS
SUBSTRATES
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES
ZIRCONIUM BORIDES
ZIRCONIUM COMPOUNDS