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Multi-layered ceramic tube for fuel containment barrier and other applications in nuclear and fossil power plants

United States Patent Application

20060039524
A1
View the Complete Application at the US Patent & Trademark Office
A multi-layered ceramic tube having an inner layer of high purity beta phase stoichiometric silicon carbide, a central composite layer of continuous beta phase stoichiometric silicon carbide fibers, and an outer layer of fine-grained silicon carbide. The ceramic tube is particularly suited for use as cladding for a fuel rod used in a power plant or reactor. The ceramic tube has a desirable combination of high initial crack resistance, stiffness, ultimate strength, and impact and thermal shock resistance.
Feinroth, Herbert (Silver Spring, MD), Hao, Bernard R. (Fairfax Station, VA)
11/ 144,786
June 6, 2005
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] The technology described in this application was developed, in part, under a Small Business Innovative Research Grant from the US Department of Energy--Grant # DE-FG02-01ER83194.