Title:
CONTROL ROD FOR NUCLEAR REACTOR AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2018/131379
Kind Code:
A1
Abstract:
Provided are a control rod for a nuclear reactor and a method of manufacturing a control rod for a nuclear reactor with which gaps and welded portions are eliminated, and which are capable of preventing SCC and IASCC.
This control rod for a nuclear reactor is characterized in being configured from one member including a blade region having a neutron absorbing material filling hole, a tie rod region which supports the blade region, and a handle region provided at one end in the length direction of the blade region and the tie rod region, and in that the member has a melt-solidified structure. The control rod for a nuclear reactor having the abovementioned characteristics is fabricated by means of a metal layered molding method.
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Inventors:
ISHIZAKI TAKAHIRO (JP)
MARUNO YUSAKU (JP)
MARUNO YUSAKU (JP)
Application Number:
PCT/JP2017/045029
Publication Date:
July 19, 2018
Filing Date:
December 15, 2017
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G21C7/10; G21C7/113; G21C21/18
Domestic Patent References:
| WO2016006280A1 | 2016-01-14 |
Foreign References:
| JP2013170863A | 2013-09-02 | |||
| JP2011080985A | 2011-04-21 | |||
| JP2013033065A | 2013-02-14 | |||
| JP2015203636A | 2015-11-16 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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