Diffusion bonding and superplastic forming

Details Diffusion bonding and superplastic forming Diffusion bonding and superplastic forming

1991-04-30

1991-12-03

Heinrich, Samuel M.

Metal fusion bonding

Process

With shaping

228193, 228118, B23K 2000

Patent

active

050693832

ABSTRACT:
In a superplastic forming/diffusion bonding process, in particular for aluminum-lithium alloys, the stop-off material in the diffusion bonding step is a porous lamellar material such as glass cloth or vermiculite paper. In one embodiment, prior to diffusion bonding, the stack of alloy sheets and lamellar material may be sealed under vacuum.

REFERENCES:
patent: 4197977 (1980-04-01), Deminet
patent: 4426032 (1984-01-01), Leodolter
patent: 4732312 (1988-03-01), Kennedy et al.
patent: 4811766 (1989-03-01), Sastry et al.
patent: 4942999 (1990-07-01), Oda et al.
Metals Handbook Ninth Edition, vol. 6, "Solid-State Welding", pp. 672-691, copyright 1983.

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