Method of diffusion bonding and densifying material

Details Method of diffusion bonding and densifying material Method of diffusion bonding and densifying material

1987-09-10

1989-07-25

Godici, Nicholas P.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

228124, 228182, 228212, 264109, 264345, 264230, B23K 3102

Patent

active

048510572

ABSTRACT:
Refractory metals or ceramics are diffusion bonded or densified by assembling the workpieces to be bonded, wrapping the assembly with carbon yarn, heating the wrapped assembly, cooling the assembly and unwrapping. The expansion of the workpieces together with the shrinking of the carbon yarn produces tremendous pressures which cause bonding and densifying of the workpiece.

REFERENCES:
patent: 2372723 (1945-04-01), Jasper
patent: 3191288 (1965-06-01), George
patent: 4018634 (1977-04-01), Fencl
patent: 4021910 (1977-05-01), Freeman et al.
patent: 4250610 (1981-02-01), Wilbers et al.
patent: 4252578 (1981-02-01), Dumont et al.
patent: 4668454 (1987-05-01), Dickerson et al.
patent: 4717067 (1988-01-01), Kessler, Jr.

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