Metal fusion bonding – Process – With shaping
Patent
1981-09-17
1984-02-07
Hunt, Brooks H.
Metal fusion bonding
Process
With shaping
228181, 228194, 228195, 228186, 228189, 228 41, 228212, 228 151, 228 441R, B23K 3102
Patent
active
044298242
ABSTRACT:
Method of manufacturing structures from sheets of material having superplasticity as well as diffusion bonding capabilities wherein a combination of diffusion bonding and superplastic forming is performed concurrently with the use of low pressures and a simple heat furnace. The material to be formed and bonded is placed between and sealed in tooling constructed of materials having different degrees of thermal expansion. A low pressure from an external source is applied between the sheets of material to be formed during heating. Forming shims positioned within the tooling provide areas of diffusion bonding when the applied pressure and differential of tooling expansion force the sheets of material together at the shim locations.
REFERENCES:
patent: 3927817 (1975-12-01), Hamilton et al.
patent: 4029254 (1977-06-01), Blair et al.
patent: 4046305 (1977-09-01), Brown et al.
patent: 4087037 (1978-05-01), Schier et al.
patent: 4089456 (1978-05-01), Toppen et al.
Gilliam Frank D.
Hunt Brooks H.
Rohr Industries, Inc.
Schlesinger Patrick J.
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