Metal fusion bonding – Process – Plural diverse bonding
Patent
1991-03-11
1992-04-07
Seidel, Richard K.
Metal fusion bonding
Process
Plural diverse bonding
228208, 22826313, 228254, 219 7613, B23K 3102, B21K 300
Patent
active
051020319
ABSTRACT:
Braze filler alloy is specifically applied and metallurgically bonded to a desired region of a nickel based superalloy workpiece using an electrospark deposition technique. The braze filler alloy is deposited onto, and concurrently metallurgically alloyed into, the desired region of the base metal by transfer of the material from the electrode using a short duration electrical impulse. The time and energy involved are small enough that total heat input to the base metal is minimal so that distortion and metallurgical structure changes of the base metal are negligible.
REFERENCES:
patent: 3088192 (1963-05-01), Turner
patent: 4405851 (1983-09-01), Sheldon
patent: 4507264 (1985-03-01), Stein
patent: 4551603 (1985-11-01), Rocklin
patent: 4649086 (1987-03-01), Johnson
Brown Lawrence E.
Hammond Stephen N.
Heitman Peter W.
Holmes Elizabeth J.
Elpel Jeanne M.
General Motors Corporation
Grove George A.
Hartman Domenica N. S.
Seidel Richard K.
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