Method and device for frictional welding
A method is described for friction welding that produces a seal having essentially no gas porosity, comprises two rotationally symmetric, generally cylindrical members, spaced apart and coaxially aligned, that are rotated with respect to each other and brought together under high pressure. One member is preferably a generally cylindrical canister that stores uranium within its hollow walls. The other member is preferably a generally cylindrical, hollow weld ring. An annular channel formed in the weld ring functions as an internal flash trap and is uniquely designed so that substantially all of the welding flash generated from the friction welding is directed into the channel's recessed bottom. Also, the channel design limits distortion of the two members during the friction welding process, further contributing to the complete seal that is obtained. 5 figs.
- DOE Contract Number:
- AC09-89SR18035
- Assignee:
- PTO; EDB-94-088869
- Patent Number(s):
- A; US 5154340
- Application Number:
- PPN: US 7-724660
- OSTI ID:
- 7233757
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
220300 -- Nuclear Reactor Technology-- Fuel Elements
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
ANNULAR SPACE
CONFIGURATION
CYLINDERS
DEFORMATION
FABRICATION
FRICTION WELDING
FUEL ELEMENTS
JOINING
MITIGATION
REACTOR COMPONENTS
SPACE
WELDING