Published April 2, 1983 | Version v1
Patent Metadata-only

Nuclear reactor control rod

Creators

  • 1. Nippon Atomic Industry Group Co. Ltd., Tokyo

Description

Purpose: To obtain weighing light and long-life type control rods using lesser amount of long life neutron absorbing materials. Constitution: An elongate sheath of U-shaped cross section is attached at the opening thereof to each of the legs of a tie rod having the cross-like cross section to form a cross-like wing. A plurality of neutron absorbing rods are loaded within each of the wings. All of the structural materials for the control rods excepting for the above-mentioned neutron absorbing materials are formed with zircalloy or zircalloy-based alloy. The neutron absorbing rod is formed from hafnium charged within a cladding tube made of zircalloy or zirconium-based alloy. (Moriyama, K.)

Availability note (English)

Available from JAPATIC. Also available from INPADOC.

Additional details

Publishing Information

Imprint Pagination
3 p.
IPC:
Int. Cl. G21C7/10.
IPC
Int. Cl. G21C7/10.
Patent number
JP patent document 58-55888/A/

INIS

Country of Publication
Japan
Country of Input or Organization
Japan
INIS RN
15056713
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
ALLOYS; BWR TYPE REACTORS; CONTROL ELEMENTS; EUROPIUM OXIDES; HAFNIUM; LIFETIME; NEUTRON ABSORBERS; RELIABILITY; SAFETY ENGINEERING; WEIGHT; ZIRCALOY; ZIRCONIUM COMPOUNDS
Descriptors DEC
CHALCOGENIDES; ELEMENTS; EUROPIUM COMPOUNDS; METALS; OXIDES; OXYGEN COMPOUNDS; RARE EARTH COMPOUNDS; REACTOR COMPONENTS; REACTORS; TRANSITION ELEMENT COMPOUNDS; TRANSITION ELEMENTS; WATER COOLED REACTORS; WATER MODERATED REACTORS; ZIRCONIUM ALLOYS; ZIRCONIUM BASE ALLOYS

Optional Information

Secondary number(s)
JP patent application 56-155291.