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Title: Processing of surrogate nuclear fuel pellets for better dimensional control with dry bag isostatic pressing

Abstract

A study of improved methods of processing fuel pellets was undertaken using ceria and zirconia/yttria/alumina as surrogates. Through proper granulation and vertical vibration (tapping) of the parts bag prior to dry bag isostatic pressing (DBIP), reproducibility of diameter profiles among multiple pellets of ceria was improved by almost an order of magnitude. Reproducibility of sintered pellets was sufficiently good to possibly avoid grinding. Deviation from the mean diameter along the length of multiple pellets, as well as, deviation from roundness, decreased after sintering. This is not generally observed with dry pressed pellets. Thus it is possible to machine to tolerance before sintering if grinding is necessary.

Authors:
 [1];  [1];  [1];  [1]
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  1. Idaho National Lab. (INL), Idaho Falls, ID (United States)
Publication Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE)
OSTI Identifier:
1367872
Alternate Identifier(s):
OSTI ID: 1396650
Report Number(s):
INL/JOU-15-37023
Journal ID: ISSN 0022-3115; PII: S002231151630229X
Grant/Contract Number:  
AC07-05ID14517
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Nuclear Materials
Additional Journal Information:
Journal Volume: 482; Journal Issue: C; Journal ID: ISSN 0022-3115
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; Dimensional control; Dry-bag isostatic pressing; Nuclear fuel pellets

Citation Formats

Hoggan, Rita E., Zuck, Larry D., Cannon, W. Roger, and Lessing, Paul A. Processing of surrogate nuclear fuel pellets for better dimensional control with dry bag isostatic pressing. United States: N. p., 2016. Web. doi:10.1016/j.jnucmat.2016.05.034.
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Hoggan, Rita E., Zuck, Larry D., Cannon, W. Roger, & Lessing, Paul A. Processing of surrogate nuclear fuel pellets for better dimensional control with dry bag isostatic pressing. United States. https://doi.org/10.1016/j.jnucmat.2016.05.034
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Hoggan, Rita E., Zuck, Larry D., Cannon, W. Roger, and Lessing, Paul A. Thu . "Processing of surrogate nuclear fuel pellets for better dimensional control with dry bag isostatic pressing". United States. https://doi.org/10.1016/j.jnucmat.2016.05.034. https://www.osti.gov/servlets/purl/1367872.
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@article{osti_1367872,
title = {Processing of surrogate nuclear fuel pellets for better dimensional control with dry bag isostatic pressing},
author = {Hoggan, Rita E. and Zuck, Larry D. and Cannon, W. Roger and Lessing, Paul A.},
abstractNote = {A study of improved methods of processing fuel pellets was undertaken using ceria and zirconia/yttria/alumina as surrogates. Through proper granulation and vertical vibration (tapping) of the parts bag prior to dry bag isostatic pressing (DBIP), reproducibility of diameter profiles among multiple pellets of ceria was improved by almost an order of magnitude. Reproducibility of sintered pellets was sufficiently good to possibly avoid grinding. Deviation from the mean diameter along the length of multiple pellets, as well as, deviation from roundness, decreased after sintering. This is not generally observed with dry pressed pellets. Thus it is possible to machine to tolerance before sintering if grinding is necessary.},
doi = {10.1016/j.jnucmat.2016.05.034},
journal = {Journal of Nuclear Materials},
number = C,
volume = 482,
place = {United States},
year = {Thu May 26 00:00:00 EDT 2016},
month = {Thu May 26 00:00:00 EDT 2016}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1016/j.jnucmat.2016.05.034
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Works referenced in this record:

Dry bag isostatic pressing for improved green strength of surrogate nuclear fuel pellets
journal, November 2010

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