Resistance pressure weld for nuclear reactor fuel rod tube end plug

Barger, Earl Brian; Fitzner, Scott L.; Lee, Jeffrey T.; Ridgeway, Roger D.

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Title: Resistance pressure weld for nuclear reactor fuel rod tube end plug

Abstract

A fuel rod for a nuclear reactor, including a cladding tube having a first end with an annular end face, a second end with an annular end face, and a cylindrical body portion extending therebetween, and a first tube end plug including a front portion, an annular lip with an annular end face, and a substantially straight cylindrical body portion extending therebetween, wherein the surface area of the annular end face of the first end of the cladding tube and the annular end face of the annular lip of the first tube end plug are substantially equal, and the annular end face of the first end of the cladding tube and the annular end face of the annular lip of the first tube end plug are connected by a resistance pressure weld.

Inventors:: Barger, Earl Brian; Fitzner, Scott L.; Lee, Jeffrey T.; Ridgeway, Roger D.

Issue Date:: 2021-06-29

Research Org.:: BWXT mPower Inc., Charlotte, NC (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1824128

Patent Number(s):: 11049623

Application Number:: 16/562,986

Assignee:: BWXT mPower, Inc. (Charlotte, NC)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING

G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS

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B - PERFORMING OPERATIONS B23 - MACHINE TOOLS B23K - SOLDERING OR UNSOLDERING
B23K11/002 - {specially adapted for particular articles or work}
B23K11/093 - for curved planar seams
B23K2101/06 - Tubes
B23K33/006 - {for cylindrical workpieces}

G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
G21C21/02 - Manufacture of fuel elements or breeder elements contained in non-active casings
G21C3/10 - End closures {

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/30 - Nuclear fission reactors

Show less

DOE Contract Number:: NE0000583

Resource Type:: Patent

Resource Relation:: Patent File Date: 09/06/2019

Country of Publication:: United States

Language:: English

Subject:: 11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS

Citation Formats


                    Barger, Earl Brian, Fitzner, Scott L., Lee, Jeffrey T., and Ridgeway, Roger D. Resistance pressure weld for nuclear reactor fuel rod tube end plug.  United States: N. p., 2021. 
        Web.

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                    Barger, Earl Brian, Fitzner, Scott L., Lee, Jeffrey T., & Ridgeway, Roger D. Resistance pressure weld for nuclear reactor fuel rod tube end plug.  United States.

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                    Barger, Earl Brian, Fitzner, Scott L., Lee, Jeffrey T., and Ridgeway, Roger D. Tue .  
        "Resistance pressure weld for nuclear reactor fuel rod tube end plug".  United States.  https://www.osti.gov/servlets/purl/1824128.

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@article{osti_1824128,

  title        = {Resistance pressure weld for nuclear reactor fuel rod tube end plug},

  author       = {Barger, Earl Brian and Fitzner, Scott L. and Lee, Jeffrey T. and Ridgeway, Roger D.},

  abstractNote = {A fuel rod for a nuclear reactor, including a cladding tube having a first end with an annular end face, a second end with an annular end face, and a cylindrical body portion extending therebetween, and a first tube end plug including a front portion, an annular lip with an annular end face, and a substantially straight cylindrical body portion extending therebetween, wherein the surface area of the annular end face of the first end of the cladding tube and the annular end face of the annular lip of the first tube end plug are substantially equal, and the annular end face of the first end of the cladding tube and the annular end face of the annular lip of the first tube end plug are connected by a resistance pressure weld.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2021},

  month        = {6}

}

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Works referenced in this record:

End Cap for Nuclear Fuel Rod Having an Angled Recess and Welding Thereof
patent-application, July 2017

Lee, Jeffrey Todd; Barger, Earl Brian; Fitzner, Scott
US Patent Application 15/277869; 20170206984
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Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system
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Ahlfeld, Charles E.; Hejzlar, Pavel; Hyde, Roderick A.
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Isobe, Takeshi; Mae, Yoshiharu; Takahashi, Toshimichi
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Sahlin, Thorbjorn; Wisen, Katarina
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Portal, Marcel; Musso, Giuseppe
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Automatic welding apparatus for end plug of nuclear fuel rod
patent, October 2017

Cho, Young-Gun; Hwang, Chang-Hwan; Chang, Hung Soon
US Patent Document 9,793,020
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Cluster for adjusting a nuclear reactor core reactivity, absorber rod of the cluster and method for protecting the absorber rod against wear
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Hertz, Dominique; Desprez, Yves
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Lower and Upper End Plugs of an Annular Fuel Rod
patent-application, January 2008

Oh, Dong Seok; Hyun, Chun Tae; Kee, In Wang
US Patent Application 11/777317; 20080013667
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