Manufacturing method of control rod for boiling water reactor

Details Manufacturing method of control rod for boiling water reactor Manufacturing method of control rod for boiling water reactor

1998-08-17

2000-02-22

Jordan, Charles T.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

376327, G21C 710

Patent

active

060289066

ABSTRACT:
The present invention relates to a control rod installed in a boiling water reactor (BWR), and particularly to a control rod using metal. An object of the present invention is to provide a manufacturing method of a control rod for a boiling water reactor, having excellent corrosion resistance in high temperature water and excellent wear resistance at the time of fabrication, and in which the influence of the manufacturing process is slight. In order to achieve the above described object, the present invention provides a manufacturing method of a control rod for a boiling water reactor constructed with sheaths having a U-shaped cross section attached to each end of a tie rod having a cruciform cross section, and rod, plate or oval tube cross section metal hafnium type neutron absorber material contained inside the sheaths, in which an anodized film is provided on a surface of the neutron absorber material as a pre-process of assembly of the neutron absorber material in the structure of the control rod.

REFERENCES:
patent: 4609524 (1986-09-01), Ferrari
patent: 5276718 (1994-01-01), Ueda

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