Method of diffusion bonding duplex sheet cladding to superalloy

Details Method of diffusion bonding duplex sheet cladding to superalloy Method of diffusion bonding duplex sheet cladding to superalloy

1979-02-22

1980-08-19

Hall, Carl E.

Metal fusion bonding

Process

Diffusion type

228234, 228263B, 291568B, B23K 1900, B23P 1504

Patent

active

042180074

ABSTRACT:
A method of applying a duplex sheet cladding to a structural substrate is disclosed. The method utilizes hot isostatic pressure with molten glass as a pressure transmitting medium. An inner sheet cladding of aluminum is formed over the substrate and then an outer MCrAlY sheet cladding is assembled thereon which completely envelops and seals the inner cladding. Thereafter the duplex cladding is diffusion bonded to the substrate at elevated pressures and temperatures in accordance with a programmed time-temperature hot isostatic pressure cycle.

REFERENCES:
patent: 3649225 (1974-03-01), Simmons, Jr.
patent: 3849865 (1974-11-01), Gedwill et al.
patent: 3873347 (1975-03-01), Walker et al.
patent: 3874901 (1975-04-01), Rairden
patent: 3904101 (1975-09-01), Beltran et al.
patent: 3928901 (1975-12-01), Schilling et al.
patent: 3952939 (1976-04-01), Schilling et al.

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