Stock material or miscellaneous articles – All metal or with adjacent metals – Foil or filament smaller than 6 mils
Patent
1979-04-04
1981-02-10
Hunt, Brooks H.
Stock material or miscellaneous articles
All metal or with adjacent metals
Foil or filament smaller than 6 mils
428607, B22F 500
Patent
active
042502292
ABSTRACT:
Disclosed is an interlayer for brazing and diffusion bonding, having a portion as a continuous stratum with an amorphous structure. The amorphous stratum of the interlayer, being ductile, imparts structural integrity to the otherwise brittle alloy composition. Thus, forming and shaping of the interlayer to faying surfaces are improved. In the joining process, the interlayer melts, and on solidifying by cooling or interdiffusion of elements, is converted to a crystalline solid metallurgically bonded to the workpiece. Preferred are flat ribbons with a continuous amorphous surface stratum comprising at least 30 volume percent, and up to 100 percent, of the interlayer.
REFERENCES:
patent: 3382054 (1968-05-01), Coad
patent: 3492545 (1970-01-01), Meyerhoff
patent: 3678570 (1972-07-01), Paulonis et al.
patent: 3753794 (1973-08-01), Paulonis et al.
patent: 4122240 (1978-10-01), Banas et al.
patent: 4122992 (1978-10-01), Duvall et al.
patent: 4148973 (1979-04-01), Sexton et al.
DeCristofaro et al.; Welding Journal, Jul. 1978, p. 33, "Metglas Brazing Foil".
Kear Bernard H.
King William H.
Hunt Brooks H.
Nessler Charles G.
United Technologies Corporation
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