QUARTERLY TECHNICAL PROGRESS REPORT FOR PERIOD ENDING JUNE 31, 1959

Published: United States : [publisher not identified], 1959.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1959.
Physical Description: microopaque : positive ; 8 x 13 cm

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Summary

The results of work indicate that fused UC/sub 2/ powder has the best properties for obtaining densities above 92% of the theoretical value by hot isostatic pressing techniques without pleating of the cladding. A sample with the highest compacted density obtained was made by using a blend of 75% coarse fused UC/sub 2/ and 25% fine ceramic UO/sub 2/ powders. Thermal cycling duta are presented for several U--Y alloys that were cycled 500 times between 725 and 225 deg C. The effect of compacting pressure on green strength density of 65U--35Y alloys is reported. Data are reported on the thermal conductivities of U--Y alloys. Attempts to prepare UO/sub 2/--Y/sub 2/O/sub 3/ to above 90% of theoretical density were continued. A sample of UO/sub 2/--Nb/sub 2/O/sub 5/ was prepared to 92% of theoretical density. Data are presented on the thermal expansion, steam corrosion, and elastic modulus and compressive strength of UO/ sub 2/, UO/sub 2/ --CeO/sub 2/, UO/sub 2/ --U/sub 2/O3, and UO/sub 2/ --Nb/sub 2/ O/sub 5/. Thermal expansion, steam corrosion, and elaatic modulus data are reported for Tho/sub 2/ --UC/sub 2/ systems. (W.L.H.)

Report Numbers

SCNC-301

Other Subject(s)

Collection

U.S. Atomic Energy Commission depository collection.

Note

DOE contract number: AT-30- 1 -GEN-366
NSA number: NSA-15-011461
OSTI Identifier 4086580
Research organization: Sylvania-Corning Nuclear Corp., Bayside, N.Y.

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