Metal fusion bonding – Process – Feeding unfused filler into fusing contact with work part
Patent
1991-03-11
1991-12-10
Seidel, Richard K.
Metal fusion bonding
Process
Feeding unfused filler into fusing contact with work part
228225, 22826313, 2988972, 219 7613, B21K 304, B23P 1504, B23P 3100
Patent
active
050710591
ABSTRACT:
Single crystal, nickel based superalloy turbine blades are formed by fusion welding together two matched blade halves. The matched blade halves are joined by an electrospark deposition process which deposits a weld filler metal along the matched faying surfaces. The deposited weld filler metal is preferably the same nickel based superalloy used to form the single crystal turbine blades. Total heat input to the base metal is minimal so that distortion and metallurgical structure changes of the base metal are virtually nonexistent.
REFERENCES:
patent: 2166998 (1939-07-01), Morgan
patent: 2463340 (1949-03-01), Wieberg
patent: 3088192 (1963-05-01), Turner
patent: 4551603 (1985-11-01), Rocklin
patent: 4611752 (1986-09-01), Jahnke
patent: 4649089 (1987-03-01), Johnson
Brown Lawrence E.
Hammond Stephen N.
Heitman Peter W.
Elpel Jeanne M.
General Motors Corporation
Grove George A.
Seidel Richard K.
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