Method for making film cooled sheet metal panel

Details Method for making film cooled sheet metal panel Method for making film cooled sheet metal panel

1990-01-19

1994-05-10

Bentley, Stephen C.

Metal working

Method of mechanical manufacture

Rocket or jet device making

29890142, 2281736, B23P 1500

Patent

active

053096363

ABSTRACT:
A method for fabricating a brazed sheet metal panel for use in an engine nozzle structure is described which comprises steps of providing a first sheet metal member having a plurality of spaced dimples formed therein and a second sheet metal member having a plurality of spaced cutouts corresponding in position to the spaced dimples in the first member, providing a mixture of powdered braze material and polymer binder and spraying a layer of the mixture onto a surface of the second member, assembling the first and second members in laminar contact with the cutouts of the second member in registration with the dimples of the first member and the layer of mixture between the members, and then heating the assembly under vacuum to a temperature sufficient to fuze the braze powder and to volatilize the binder.

REFERENCES:
patent: 3995422 (1976-12-01), Stamm
patent: 4050241 (1977-09-01), DuBell
patent: 4318965 (1982-03-01), Blair
patent: 4485630 (1984-12-01), Kenworthy
patent: 4593446 (1986-06-01), Hayner
patent: 4628694 (1986-12-01), Kelm et al.
patent: 4726735 (1988-02-01), Field et al.
patent: 4843693 (1989-07-01), Chisholm

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