Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within...
Patent
1997-03-14
1998-03-17
Carone, Michael J.
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
376287, 376302, G21C 1900
Patent
active
057295816
ABSTRACT:
Core shrouds are conventionally welded together from cylindrical parts and annular flanges, wherein cracks have recently occurred in the region of weld seams in reactors of the boiling-water type. A core shroud, in particular for cladding a reactor core in a boiling-water nuclear reactor and a method for repairing a core shroud, include recesses disposed transversely relative to the circumferentially extending weld seams. The recesses have a middle part which passes through a region that is thermally influenced during welding as well as transverse grooves or widenings located in front of ends of the middle part and lying outside the thermally influenced region. A clamp which is fitted into the recess is disposed approximately flush with a shroud surface and is wedged in one of the transverse grooves.
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Kaufl Theo
Loock Ralf
Schramm Herbert
Carone Michael J.
Greenberg Laurence A.
Lattig Matthew J.
Lerner Herbert L.
Siemens Aktiengesellschaft
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