SYNTHESIS AND FABRICATION OF REFRACTORY URANIUM COMPOUNDS. Monthly Progress Report No. 7 for March 1 through March 31, 1960
Technical Report
·
OSTI ID:4189558
The UN pellets to be sintered were placed in a tantalum container which was sealed in a plastic bag. The bag and contents were placed in an inert atmosphere at 1800 deg C. No improvement in density was obtained over the previously reported 91 to 93% of theoretical. In the preparation of UC from ammonium diuranate and C, good results were obtained by the addition of the theoretical amount of C needed to react with the UO/sub 2/ formed by the decomposition of ammonium diuranate. The eilects of variation in furnacing on the product are discussed. Experiments on the fabrication of UC from hot- pressing U metal powder and C revealed insufficient intimate mixing. Pellets of U/sub 3/Si/sub 2/ of 95% theoretical density were fabricated by cold-pressing and sintering. X-ray-diffraction analysis indicated some pickup of oxygen. (3ee also ORO-254.) (C.J.G.)
- Research Organization:
- Carborundum Co., Niagara Falls, N.Y.
- NSA Number:
- NSA-14-014041
- OSTI ID:
- 4189558
- Report Number(s):
- ORO-267
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ADSORPTION-- COLD WORKING-- COMPACTING-- DENSITY-- DIFFRACTION-- OXYGEN-- PELLETS-- PREPARATION-- PRESSURE-- SINTERING-- URANIUM SILICIDES-- X RADIATION
AMMONIUM COMPOUNDS-- CARBON-- CHEMICAL REACTIONS-- DECOMPOSITION-- MIXING-- PREPARATION-- URANATES-- URANIUM CARBIDES-- URANIUM DIOXIDE
CARBON-- COMPACTING-- HOT WORKING-- MIXING-- POWDERS-- PREPARATION-- PRESSURE-- URANIUM-- URANIUM CARBIDES
DENSITY-- FABRICATION-- HIGH TEMPERATURE-- PELLETS-- POLYMERS-- SHELLS-- SINTERING-- TANTALUM-- URANIUM NITRIDES
METALS, CERAMICS, AND OTHER MATERIALS
AMMONIUM COMPOUNDS-- CARBON-- CHEMICAL REACTIONS-- DECOMPOSITION-- MIXING-- PREPARATION-- URANATES-- URANIUM CARBIDES-- URANIUM DIOXIDE
CARBON-- COMPACTING-- HOT WORKING-- MIXING-- POWDERS-- PREPARATION-- PRESSURE-- URANIUM-- URANIUM CARBIDES
DENSITY-- FABRICATION-- HIGH TEMPERATURE-- PELLETS-- POLYMERS-- SHELLS-- SINTERING-- TANTALUM-- URANIUM NITRIDES
METALS, CERAMICS, AND OTHER MATERIALS