G - Physics – 21 – C
Patent
G - Physics
21
C
G21C 3/04 (2006.01)
Patent
CA 2661603
The invention relates to a novel design and production of fuel element pebbles which satisfy the requirements of high temperature pebble bed nuclear reactors of the next generation. The invention uses a shell of the fuel element pebbles that is devoid of fuel and consists of silicon carbide (SiC) and/or zircon carbide (ZrC), in addition to natural graphite and graphitized petroleum coke, said shell having a maximum average nominal thickness of 5 mm and preferably only 3 mm.
L'invention concerne une nouvelle conception et la fabrication de boulets combustibles qui répondent aux exigences des réacteurs à haute température à lit de boulets des nouvelles générations. Selon l'invention, on utilise pour les boulets combustibles une coquille exempte de matériau combustible, en carbure de silicium (SiC) et/ou en carbure de zirconium (ZrC), en graphite naturel et en coke de pétrole, cette couche ayant une épaisseur nominale moyenne d'au maximum 5 mm et de préférence de seulement 3 mm.
Grosse Karl-Heinz
Hrovat Milan
Schulten Rainer
Ald Vacuum Technologies Gmbh
Goudreau Gage Dubuc
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