Method of making a stiffened panel

Details Method of making a stiffened panel Method of making a stiffened panel

1981-07-01

1982-09-28

Ramsey, Kenneth J.

Metal fusion bonding

Process

With shaping

219121ED, 228190, 228193, 228265, B23K 2802, B21D 2602

Patent

active

043514707

ABSTRACT:
Two face-to-face metal sheets, one or each of which is superplastically deformable, are subjected to a bonding and pressure deformation process in which the sheets are bonded together at a series of spaced positions thereon and the areas of the or each superplastically deformable sheet between these positions move away from the other sheet so that there is formed a series of cavities between the sheets, the sides of neighboring cavities being substantially adjacent to one another over substantial parts of their areas. These sides of the cavities, which are preferably substantially rectangular may come directly into contact with one another and be diffusion bonded together either directly or via reinforcing members.

REFERENCES:
patent: 3458683 (1969-07-01), Canonico et al.
patent: 3924793 (1975-12-01), Summers et al.
patent: 4217397 (1980-08-01), Hayase et al.

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