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Title: Fabrication of control rods for the High Flux Isotope Reactor

Abstract

The High Flux Isotope Reactor (HFIR) is a research-type nuclear reactor that was designed and built in the early 1960s and has been in continuous operation since its initial criticality in 1965. Under current plans, the HFIR is expected to continue in operation until 2035. This report updates ORNL/TM-9365, Fabrication Procedure for HFIR Control Plates, which was mainly prepared in the early 1970's but was not issued until 1984, and reflects process changes, lessons learned in the latest control rod fabrication campaign, and suggested process improvements to be considered in future campaigns. Most of the personnel involved with the initial development of the processes and in part campaigns have retired or will retire soon. Because their unlikely availability in future campaigns, emphasis has been placed on providing some explanation of why the processes were selected and some discussions about the importance of controlling critical process parameters. Contained in this report is a description of the function of control rods in the reactor, the brief history of the development of control rod fabrication processes, and a description of procedures used in the fabrication of control rods. A listing of the controlled documents and procedures used in the last fabrication campaigns ismore » referenced in Appendix A.« less

Authors:
Publication Date:
Research Org.:
Oak Ridge National Lab., TN (US)
Sponsoring Org.:
USDOE Office of Science (US)
OSTI Identifier:
757306
Report Number(s):
ORNL/TM-9365/R1
TRN: US0003868
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 1 Mar 1998
Country of Publication:
United States
Language:
English
Subject:
22 GENERAL STUDIES OF NUCLEAR REACTORS; 21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; HFIR REACTOR; CONTROL ELEMENTS; NEUTRON ABSORBERS; EUROPIUM; TANTALUM; FABRICATION

Citation Formats

Sease, J D. Fabrication of control rods for the High Flux Isotope Reactor. United States: N. p., 1998. Web. doi:10.2172/757306.
Sease, J D. Fabrication of control rods for the High Flux Isotope Reactor. United States. doi:10.2172/757306.
Sease, J D. Sun . "Fabrication of control rods for the High Flux Isotope Reactor". United States. doi:10.2172/757306. https://www.osti.gov/servlets/purl/757306.
@article{osti_757306,
title = {Fabrication of control rods for the High Flux Isotope Reactor},
author = {Sease, J D},
abstractNote = {The High Flux Isotope Reactor (HFIR) is a research-type nuclear reactor that was designed and built in the early 1960s and has been in continuous operation since its initial criticality in 1965. Under current plans, the HFIR is expected to continue in operation until 2035. This report updates ORNL/TM-9365, Fabrication Procedure for HFIR Control Plates, which was mainly prepared in the early 1970's but was not issued until 1984, and reflects process changes, lessons learned in the latest control rod fabrication campaign, and suggested process improvements to be considered in future campaigns. Most of the personnel involved with the initial development of the processes and in part campaigns have retired or will retire soon. Because their unlikely availability in future campaigns, emphasis has been placed on providing some explanation of why the processes were selected and some discussions about the importance of controlling critical process parameters. Contained in this report is a description of the function of control rods in the reactor, the brief history of the development of control rod fabrication processes, and a description of procedures used in the fabrication of control rods. A listing of the controlled documents and procedures used in the last fabrication campaigns is referenced in Appendix A.},
doi = {10.2172/757306},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {3}
}