INVESTIGATION OF COEXTRUSION AS A METHOD OF PRODUCING TANTALUM-CLAD U-10 w/ o Mo PIN-TYPE FUEL ELEMENTS
Technical Report
·
OSTI ID:4324512
The process of coextrusion followed by cold swaging was establisbed as feasible for the production of pintype fuel elemerts of U--10 wt. % Mo clad with tantalum. Fuel pins consisting of a 0.150-in. diameter U--10 wt. % Mo core with a 0.004-in. thickness of tantalum cladding were successfully produced in a limited experimental program. Coextrusion was accomplished at 1800 d F from a 1.40-in. diameter liner in a 300-ton press. Good results were obtained on billet assemblies which were sealed into evacuated, heavy-walled, iron jackets and extruded with glass lubrication through 0.375-in. or 0.340-in. diameter dies (14x or 17x reduction). Cold swaging of extruded rods through reductions up to 61.5% was accomplished without difficulty. (auth)
- Research Organization:
- Nuclear Metals, Inc., Cambridge, Mass.
- NSA Number:
- NSA-12-013938
- OSTI ID:
- 4324512
- Report Number(s):
- NMI-4404
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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