Method of diffusion brazing superalloy parts

Details Method of diffusion brazing superalloy parts Method of diffusion brazing superalloy parts

1999-07-20

2000-08-29

Mills, Gregory

Metal fusion bonding

Process

Repairing, restoring, or renewing product for reuse

228244, 228194, B23K 3100, B23K 2000, B23K 306

Patent

active

061095052

ABSTRACT:
A method of diffusion brazing parts made of a superalloy A uses a single-component brazing powder prepared by measuring a quantity of a superalloy powder having a composition identical to the superalloy A and a quantity of a boron and/or silicon flux powder in a proportion of between 0.1% and 40% by weight of the superalloy powder, mixing the powders and placing them with balls made of superalloy A in a container also made of superalloy A, closing the container and keeping its contents in a controlled atmosphere, placing the container in a grinder and operating the grinder to keep the container moving for a period ranging from 30 seconds to 500 hours in order to encrust the flux onto the surface of the grains of the superalloy powder.

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patent: 4655383 (1987-04-01), Fournes et al.
patent: 4713217 (1987-12-01), Stern
patent: 5071059 (1991-12-01), Heitman et al.
patent: 5156321 (1992-10-01), Liburdi et al.
patent: 5367048 (1994-11-01), Shaw

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