Structure and method for forming structural components

Details Structure and method for forming structural components Structure and method for forming structural components

1990-12-21

1992-06-02

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Workpiece with longitudinal passageway or stopweld material

428593, 228157, 228193, B32B 320, B23K10102, B23K10104

Patent

active

051185717

ABSTRACT:
A metal structural component (10) is formed by placing metal tubes (16) between two metal sheets (12) and plastically deforming the tubes (16) by injecting pressured gas therein. The injected gas expands the tubes by superplastic deformation until diffusion bonding occurs between the metal sheets (12) and expanded tubes (16) to form the desired support structure between the metal sheets (12).

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