Method of making a metallic structure by combined flow forming a

Details Method of making a metallic structure by combined flow forming a Method of making a metallic structure by combined flow forming a

1976-07-26

1979-02-27

Smith, Al Lawrence

Metal fusion bonding

Process

With shaping

228173A, 228193, 72364, B23K 1900, B21C 2322

Patent

active

041414845

ABSTRACT:
A method for fabricating metallic structures, especially those having intricate shapes, utilizes a combination of flow forming and bonding. A metal preform having flow forming characteristics is positioned relative to a shaping member and a metal workpiece to be joined to the preform. The preform is heated to a temperature range suitable for flow forming. Pressure is applied to cause the preform to flow form against the shaping member and the workpiece. The preform and workpiece are maintained under coordinated temperature-pressure-time duration conditions to produce metallurgical bonding of the preform to the workpiece.

REFERENCES:
patent: 3535762 (1970-10-01), Taylor
patent: 3535908 (1970-10-01), Hymes etal.
patent: 3537171 (1970-11-01), Wilson et al.
patent: 3920175 (1975-11-01), Hamilton et al.
patent: 3996019 (1976-12-01), Cogan
patent: 4023389 (1977-05-01), Dibble et al.

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