This report details progress in an intensive investigation which was launched to determine the basic mechanisms leading to gross loss of UO{sub 2} fuel upon thermal cycling of UO{sub 2}-W cermets and to suggest means of overcoming this serious operational problem. (This problem was recently uncovered at both Lewis Research Center and at Hanford). More than 40 separate experiments were conducted in four high temperature furnaces, at temperatures to 2600 C, pressures from 10{sup {minus}5} mm vacuum to 1000 psi, atmospheres including wet, pure and tank H{sub 2}-Ar mixtures, N{sub 2}, and He, and cycle periods from 30 seconds to …
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Publisher Info:
General Electric Co., Richland, WA (United States). Hanford Atomic Products Operation
Place of Publication:
Richland, Washington
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Description
This report details progress in an intensive investigation which was launched to determine the basic mechanisms leading to gross loss of UO{sub 2} fuel upon thermal cycling of UO{sub 2}-W cermets and to suggest means of overcoming this serious operational problem. (This problem was recently uncovered at both Lewis Research Center and at Hanford). More than 40 separate experiments were conducted in four high temperature furnaces, at temperatures to 2600 C, pressures from 10{sup {minus}5} mm vacuum to 1000 psi, atmospheres including wet, pure and tank H{sub 2}-Ar mixtures, N{sub 2}, and He, and cycle periods from 30 seconds to 15 hours. Specimens examined included two types of NASA-fabricated plates, three types of Hanford high energy impacted discs, and several other materials used for single experiment evaluation.
Physical Description
8 p.
Notes
OSTI as DE94010985; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov
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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.
Cadwell, J. J.Progress report on NASA cermet studies identification SNC-12, January 1964,
report,
February 13, 1964;
Richland, Washington.
(https://digital.library.unt.edu/ark:/67531/metadc1315656/:
accessed December 12, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.
