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Title: High density UO2 and high thermal conductivity UO2 composites by spark plasma sintering (SPS)

Abstract

Embodiments of the invention are directed to a method for production of a nuclear fuel pellet by spark plasma sintering (SPS), wherein a fuel pellet with more than 80% TD or more than 90% TD is formed. The SPS can be performed with the imposition of a controlled uniaxial pressure applied at the maximum temperature of the processing to achieve a very high density, in excess of 95% TD, at temperatures of 850 to 1600° C. The formation of a fuel pellet can be carried out in one hour or less. In an embodiment of the invention, a nuclear fuel pellet comprises UO2 and a highly thermally conductive material, such as SiC or diamond.

Inventors:
; ; ; ; ;
Issue Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1735320
Patent Number(s):
10790065
Application Number:
14/420,702
Assignee:
University of Florida Research Foundation, Inc. (Gainesville, FL)
Patent Classifications (CPCs):
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
G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
DOE Contract Number:  
AC07-05ID14517
Resource Type:
Patent
Resource Relation:
Patent File Date: 08/15/2013
Country of Publication:
United States
Language:
English

Citation Formats

Subhash, Ghatu, Baney, Ronald H., Tulenko, James S., McKenna, III, Edward, Ge, Lihao, and Yeo, Sunghwan. High density UO2 and high thermal conductivity UO2 composites by spark plasma sintering (SPS). United States: N. p., 2020. Web.
Subhash, Ghatu, Baney, Ronald H., Tulenko, James S., McKenna, III, Edward, Ge, Lihao, & Yeo, Sunghwan. High density UO2 and high thermal conductivity UO2 composites by spark plasma sintering (SPS). United States.
Subhash, Ghatu, Baney, Ronald H., Tulenko, James S., McKenna, III, Edward, Ge, Lihao, and Yeo, Sunghwan. Tue . "High density UO2 and high thermal conductivity UO2 composites by spark plasma sintering (SPS)". United States. https://www.osti.gov/servlets/purl/1735320.
@article{osti_1735320,
title = {High density UO2 and high thermal conductivity UO2 composites by spark plasma sintering (SPS)},
author = {Subhash, Ghatu and Baney, Ronald H. and Tulenko, James S. and McKenna, III, Edward and Ge, Lihao and Yeo, Sunghwan},
abstractNote = {Embodiments of the invention are directed to a method for production of a nuclear fuel pellet by spark plasma sintering (SPS), wherein a fuel pellet with more than 80% TD or more than 90% TD is formed. The SPS can be performed with the imposition of a controlled uniaxial pressure applied at the maximum temperature of the processing to achieve a very high density, in excess of 95% TD, at temperatures of 850 to 1600° C. The formation of a fuel pellet can be carried out in one hour or less. In an embodiment of the invention, a nuclear fuel pellet comprises UO2 and a highly thermally conductive material, such as SiC or diamond.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {9}
}

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Works referenced in this record:

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journal, May 1974


Thermal conductivity of diamond particle dispersed aluminum matrix composites fabricated in solid–liquid co-existent state by SPS
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Method of manufacturing large-grained uranium dioxide fuel pellets containing U3O8
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