Metal fusion bonding – Process – Bonding nonmetals with metallic filler
Patent
1982-01-11
1984-01-31
Robinson, Ellis P.
Metal fusion bonding
Process
Bonding nonmetals with metallic filler
228124, 156182, 1563066, 1563082, 1563077, 156325, 428433, 428631, 428666, 428672, 428434, 428367, 428630, 428334, 428335, B23K 3102, C03C 2704, B32B 1706
Patent
active
044285230
ABSTRACT:
A method of bonding a plurality of thermally stable high strength graphite fiber reinforced glass matrix composite pieces is described. The process comprises applying to the surfaces to be bonded at least one layer of a metal which is highly adherent to the composite and the solder and is oxidatively stable. A tie layer may be used between the composite bond surface and the metal layer to better bond the metal layer to the composite. Following application of the metal layer, the composite pieces are stacked with the metal layers facing each other and a solder layer in between. The temperature of the assembly is raised to melt the solder and form the bond. The melting temperature of the solder and the metal layers are chosen so as to be higher than the use temperature of the bonded composite. A bonded composite article thus formed is also described.
REFERENCES:
patent: 3624894 (1971-12-01), Miller
patent: 3857161 (1974-12-01), Hutchins
patent: 3921885 (1975-12-01), Knox
patent: 4018374 (1977-04-01), Lee
patent: 4263367 (1981-04-01), Prewo
patent: 4265968 (1981-05-01), Prewo
Bacon James F.
Snitzer Elias
Gwinnell Harry J.
Robinson Ellis P.
United Technologies Corporation
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