Metal fusion bonding – Process – Repairing – restoring – or renewing product for reuse
Patent
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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Beaufort Marie-France
Grosbras Michel
Huchin Jean-Pierre
Jacquot Frederic
Malie André Hubert Louis
Mills Gregory
Newsome C.
SNECMA Services
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