Method for the assembly of and the interconnection by diffusion

Details Method for the assembly of and the interconnection by diffusion Method for the assembly of and the interconnection by diffusion

1986-10-17

1988-02-09

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making composite or hollow article

228194, 228195, 228203, 228205, 228228, 419 35, 419 49, 419 54, 428564, 428565, G22F 700

Patent

active

047241209

ABSTRACT:
A method for the assembly and connection of bodies, massive parts or powder grains, of alloys comprising at least 50% of nickel, cobalt or iron, comprises a preliminary operation of deposition at the interface of the said bodies of a product of the type MBF.sub.x, x being equal to 3 or 4, M designating a radical of the type NH.sub.4 giving off when hot a gaseous component such as NH.sub.3 or a metallic element and a sequence of treatment of cleaning/activation by passage of the coated body at a temperature in excess of the temperature of sublimation of the said product.

REFERENCES:
patent: 3753794 (1973-08-01), Paulonis et al.
patent: 3969110 (1976-07-01), Plegat
patent: 4032059 (1977-06-01), Plegat
patent: 4228944 (1980-10-01), Inamura et al.
patent: 4235649 (1980-11-01), Inamura et al.
patent: 4426404 (1984-01-01), Shoher et al.
patent: 4585617 (1986-04-01), Tenhover et al.

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