Under proper conditions of vacuum and mold preheat, a sound ductile alloy bond can be achieved by casting molten uranium into zirconium and Zircaloy- 2 molds. Investigations indicate that a process for production of zirconium of Zircaloy-2 clad fuel elements can be developed by casting directly into preformed shells. Employment of cast bonding techniques appears to be a simple and practical method for assembling extrusion billets. It also appears that coextrusion of cast bonded normal uranium billets produces a clad rod exhibiting a rather uniform cladding thickness and map permit greater freedom in selection of extrusion conditions to produce a ...
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Publisher Info:
General Electric Co. Hanford Atomic Products Operation, Richland, Wash.
Place of Publication:
Richland, Washington
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Under proper conditions of vacuum and mold preheat, a sound ductile alloy bond can be achieved by casting molten uranium into zirconium and Zircaloy- 2 molds. Investigations indicate that a process for production of zirconium of Zircaloy-2 clad fuel elements can be developed by casting directly into preformed shells. Employment of cast bonding techniques appears to be a simple and practical method for assembling extrusion billets. It also appears that coextrusion of cast bonded normal uranium billets produces a clad rod exhibiting a rather uniform cladding thickness and map permit greater freedom in selection of extrusion conditions to produce a clad and bonded geometry. Forming of cast bond ingots in diamond-round or oval-round sequences falled to produce a clad rod with uniform jacket thickness. subsequent forming operations failed to rectify nonuniformities in jacket thicknesses once they had occurred. (auth)
Pankaskie, P.J. & Schaffer, L.D.ZIRCONIUM CLADDING OF URANIUM,
report,
November 1, 1954;
Richland, Washington.
(digital.library.unt.edu/ark:/67531/metadc878164/:
accessed August 16, 2017),
University of North Texas Libraries, Digital Library, digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.