Metal fusion bonding – Process – With shaping
Patent
1991-09-03
1993-04-27
Seidel, Richard K.
Metal fusion bonding
Process
With shaping
228190, 228193, 29423, B23K 2000, B23K 3102, B23P 1700
Patent
active
052054675
ABSTRACT:
Dummy needles are used for preventing closure of gas-conveying passageways communicating the interior, and provided at the peripery, of a multi-sheet stack of titanium alloy materials during diffusion bonding. After the diffusion bonding has been carried out, the dummy needles fitted within the passageways are removed, the passageways are reamed out to ensure their circular shape, and needles adapted for superplastic forming are inserted into the newly reamed passageways.
REFERENCES:
patent: 3110961 (1963-11-01), Melill et al.
patent: 3168782 (1965-02-01), Cochran
patent: 3345735 (1967-10-01), Nicholls
patent: 4784312 (1988-11-01), Gotoh
Martinez Arthur
Sarkisian Seb R.
Stacher George W.
Knapp Jeffrey T.
Lewis Terrell P.
Rockwell International Corporation
Seidel Richard K.
Silberberg Charles T.
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