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1. US20200234833 - A sintered nuclear fuel pellet, a fuel rod, a fuel assembly, and a method of manufacturing a sintered nuclear fuel pellet

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Office
United States of America
Application Number 16486330
Application Date 15.01.2018
Publication Number 20200234833
Publication Date 23.07.2020
Publication Kind A1
IPC
G21C 3/07
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
3Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
02Fuel elements
04Constructional details
06Casings; Jackets
07characterised by their material, e.g. alloys
G21C 3/04
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
3Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
02Fuel elements
04Constructional details
G21C 3/62
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
3Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
42Selection of substances for use as reactor fuel
58Solid reactor fuel
62Ceramic fuel
G21C 21/02
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
21Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
02Manufacture of fuel elements or breeder elements contained in non-active casings
G21C 3/32
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
3Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements
30Assemblies of a number of fuel elements in the form of a rigid unit
32Bundles of parallel pin-, rod-, or tube-shaped fuel elements
CPC
G21C 3/045
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
3Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
02Fuel elements
04Constructional details
045Pellets
G21C 3/07
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
3Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
02Fuel elements
04Constructional details
06Casings; Jackets
07characterised by their material, e.g. alloys
G21C 3/32
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
3Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
30Assemblies of a number of fuel elements in the form of a rigid unit
32Bundles of parallel pin-, rod-, or tube-shaped fuel elements
G21C 21/02
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
21Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
02Manufacture of fuel elements or breeder elements contained in non-active casings
G21C 3/623
GPHYSICS
21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
CNUCLEAR REACTORS
3Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
42Selection of substances for use as reactor fuel
58Solid reactor fuel ; Pellets made of fissile material
62Ceramic fuel
623Oxide fuels
Applicants WESTINGHOUSE ELECTRIC SWEDEN AB
Inventors Simon Middleburgh
Lars Hallstadius
Mattias Puide
Priority Data 17157113 21.02.2017 EP
Title
(EN) A sintered nuclear fuel pellet, a fuel rod, a fuel assembly, and a method of manufacturing a sintered nuclear fuel pellet
front page image
Abstract
(EN)

Disclosed are a sintered nuclear fuel pellet, a fuel rod, a fuel assembly and a method of manufacturing the nuclear fuel pellet. The pellet comprises a matrix of UO2 and particles dispersed in the matrix. The particles comprises a uranium-containing material. Each of the particles is encapsulated by a metallic coating. The uranium-containing material has a uranium density that is higher than the uranium density of UO2. The metallic coating consists of at least one metal chosen from the group of Mo, W, Cr, V and Nb.
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