Method for fabrication of honeycomb structures

Details Method for fabrication of honeycomb structures Method for fabrication of honeycomb structures

1976-11-16

1978-10-03

Kelly, Donald G.

Metal fusion bonding

Process

With shaping

72 63, 219 85E, 228181, 228190, 228193, B23K 3100

Patent

active

041179706

ABSTRACT:
A method for fabrication of honeycomb metallic structures combining superplastic forming and metallurgical bonding wherein a face sheet is formed and bonded to another face sheet and a core to form the desired structure. A metal honeycomb core is positioned between the first and second metal face sheets. The first face sheet, which has superplastic characteristics, is brought to within a temperature range suitable for superplastic forming. A pressure loading is applied to the first face sheet causing it to deform against the core and second metal face sheet. The face sheets and core are maintained under coordinated temperature-pressure-time duration conditions to produce metallurgical bonding to one another to form the desired honeycomb structure.

REFERENCES:
patent: 2882588 (1959-04-01), Rieppel
patent: 2984732 (1961-05-01), Herbert
patent: 3996019 (1976-12-01), Cogan

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