HIGH TEMPERATURE CONTROL RODS FOR LIGHT WATER REACTORS

A control rod (22) for use in a nuclear fuel assembly (10) is described herein that includes a solid neutron absorbing material (24) selected from the group consisting of iridium, rhenium, and hafnium; an anti-oxidation coating (26) on the absorbing material (24); and an intermediate layer (28) betw...

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Bibliographische Detailangaben
Hauptverfasser:	LAHODA, Edward J, HONE, Michael J, SCHNEIDER, Raymond E, KAROUTAS, Zeses, BOYLAN, Frank A, RAY, Sumit, POMIRLEANU, Radu, OELRICH, Robert L, NISSLEY, Mitchell E, LAM, Ho Q
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY NUCLEAR ENGINEERING NUCLEAR PHYSICS NUCLEAR REACTORS PHYSICS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A control rod (22) for use in a nuclear fuel assembly (10) is described herein that includes a solid neutron absorbing material (24) selected from the group consisting of iridium, rhenium, and hafnium; an anti-oxidation coating (26) on the absorbing material (24); and an intermediate layer (28) between the absorbing material (24) and the anti-oxidation coating (26) selected from the group consisting of niobium, molybdenum, and tantalum.