POWER REACTOR PROGRAM. Progress Report to E.I. du Pont de Nemours and Company for the Period August 21, 1957 through September 20, 1957
Technical Report
·
OSTI ID:4301897
BS> In the production of tubes with U-2 wt. % Zr cores and 15 mils of Zircalop-2 claddin, a satisfactory front end-shape for the model tubss was obtained by using a copper nose plug with a 60 included angle, a matching steel cone, and a billet having a flat interface between the Zircalop-2 end seal and the U-Zr core. The fullscale tubes were redesigned to allow for a pickling loss of onc mil of Zircaloy-2 on each surface and for an expansion of three mils during heat treating;. A 0.400-inch rod was extruded from a 2-inch billet made up of alternats wafers of Zircaloy-2 and uraaium in a Zircaloy-2 sleeve. The U-2 wt. & Zr alloy billets were melted and cast in a 12-inch diameter, intsrnally cooled, Micarta furnace. Precision density measurements were obtained on a series of extruded and swaged U-Zr alloys covering a range up to 13 wt. & Zr. Corrosion of U-2 wt. & Zr (Zircaloy-2 clad) rods was studied. (For preceding period see NMI-4353.) (W.D.M.)
- Research Organization:
- Nuclear Metals, Inc., Cambridge, Mass.
- NSA Number:
- NSA-13-001370
- OSTI ID:
- 4301897
- Report Number(s):
- NMI-4354
- Country of Publication:
- United States
- Language:
- English
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