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Title: FISSION PRODUCT RELEASE FROM URANIUM--EFFECT OF IRRADIATION LEVEL

Abstract

An experimental study was made to determine the influence of burnup on the fractional release of fission products from uranium metal at elevated temperatures. Neutron irradiation levels were varied from 2 x 10/sup 14/ nvt (6.7 x 10/sup 14/ Mwd/t) to 4 x 10/sup 20/ nvt (1340 Mwd/t) while all other conditions remained constant. Metal temperatures explored were 1000, 1200, and 1440 deg C. Bare uranium cylinders weighing approximately 12 grams were heated out-ofreactor and the liberated fractions of ten fission products plus uranium, plutonium, and neptunium were measured. The variation of the fractional releases of iodine, xenon, and cesium with irradiation level was shown, as was the invariance of the release of certain other elements with burnup. The uranium oxidation rate was found to increase with irradiation levels above l0/sup 18/ nvt. (auth)

Authors:
;
Publication Date:
Research Org.:
General Electric Co. Hanford Atomic Products Operation, Richland, Wash. (US)
OSTI Identifier:
4802144
Report Number(s):
HW-72321
NSA Number:
NSA-16-025841
DOE Contract Number:  
AT(45-1)-1350
Resource Type:
Technical Report
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-62
Country of Publication:
United States
Language:
English
Subject:
METALS, CERAMICS, AND OTHER MATERIALS; CESIUM; CYLINDERS; DISTRIBUTION; FISSION PRODUCTS; HEATING; HIGH TEMPERATURE; IODINE; IRRADIATION; LOSSES; MEASURED VALUES; NEPTUNIUM; NEUTRON BEAMS; OXIDATION; PLUTONIUM; QUANTITY RATIO; RADIATION DOSES; RADIATION EFFECTS; TEMPERATURE; URANIUM; XENON

Citation Formats

Hilliard, R K, and Reid, D L. FISSION PRODUCT RELEASE FROM URANIUM--EFFECT OF IRRADIATION LEVEL. United States: N. p., 1962. Web. doi:10.2172/4802144.
Hilliard, R K, & Reid, D L. FISSION PRODUCT RELEASE FROM URANIUM--EFFECT OF IRRADIATION LEVEL. United States. doi:10.2172/4802144.
Hilliard, R K, and Reid, D L. Wed . "FISSION PRODUCT RELEASE FROM URANIUM--EFFECT OF IRRADIATION LEVEL". United States. doi:10.2172/4802144. https://www.osti.gov/servlets/purl/4802144.
@article{osti_4802144,
title = {FISSION PRODUCT RELEASE FROM URANIUM--EFFECT OF IRRADIATION LEVEL},
author = {Hilliard, R K and Reid, D L},
abstractNote = {An experimental study was made to determine the influence of burnup on the fractional release of fission products from uranium metal at elevated temperatures. Neutron irradiation levels were varied from 2 x 10/sup 14/ nvt (6.7 x 10/sup 14/ Mwd/t) to 4 x 10/sup 20/ nvt (1340 Mwd/t) while all other conditions remained constant. Metal temperatures explored were 1000, 1200, and 1440 deg C. Bare uranium cylinders weighing approximately 12 grams were heated out-ofreactor and the liberated fractions of ten fission products plus uranium, plutonium, and neptunium were measured. The variation of the fractional releases of iodine, xenon, and cesium with irradiation level was shown, as was the invariance of the release of certain other elements with burnup. The uranium oxidation rate was found to increase with irradiation levels above l0/sup 18/ nvt. (auth)},
doi = {10.2172/4802144},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1962},
month = {6}
}