Super plastic forming method with heat treated seals

Metal fusion bonding – Process – With shaping

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Details

2281732, 228193, B23K 3100

Patent

active

046038086

ABSTRACT:
A forming method for sealing sheet structure between two forming members wherein the sheets are subjected to high process temperatures and a high pressure differential. The method includes a heat treatment of a flaked graphite seal material to a temperature in excess of the process temperature to remove volatile contaminants therefrom.

REFERENCES:
patent: 3920175 (1975-11-01), Hamilton et al.
patent: 4068853 (1978-01-01), Schnitzler
patent: 4155571 (1979-05-01), Gastineau et al.
patent: 4356116 (1982-10-01), Beers

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