Metal fusion bonding – Process – Using dynamic frictional energy
Patent
1991-07-02
1992-10-13
Heinrich, Samuel M.
Metal fusion bonding
Process
Using dynamic frictional energy
228114, B23K 2012
Patent
active
051543400
ABSTRACT:
A method 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 cannister 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.
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Metals Handbook Ninth Edition, vol. 6, "Friction Welding", pp. 719-728, copyright 1983.
Constant Richard E.
Dixon Harold M.
Heinrich Samuel M.
Moser William R.
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