Fusion welding with self-generated filler metal

Details Fusion welding with self-generated filler metal Fusion welding with self-generated filler metal

1993-04-23

1994-02-08

Bradley, Paula A.

Metal fusion bonding

Process

With pretreating other than heating or cooling of work part...

228203, 228232, 428610, 148512, B23K 3102

Patent

active

052842908

ABSTRACT:
NiAl is preheated to a temperature between 1530.degree. C. and 1638.degree. C. causing some of the aluminum to evaporate along the faying surfaces thereby forming a glazed layer of nickel rich self-generated filler metal. The glazed faying surfaces are placed in contact, heated to 1530.degree. C. to 1570.degree. C., and pressed together to form a fusion weld.

REFERENCES:
patent: 3180022 (1965-04-01), Briggs et al.
patent: 3199189 (1965-08-01), La Plante
patent: 3370343 (1968-02-01), Martin
patent: 3614378 (1971-10-01), Goodell et al.
patent: 3744120 (1973-07-01), Burgess
patent: 4847044 (1989-07-01), Ghosh
patent: 4948457 (1990-08-01), Cooper
patent: 4988036 (1991-01-01), Kemble et al.

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