Diffusion bond mixture for healing single crystal alloys

Metal fusion bonding – Process – Critical work component – temperature – or pressure

Reexamination Certificate

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C228S262310, C420S443000, C420S445000, C420S448000

Reexamination Certificate

active

06968991

ABSTRACT:
A diffusion bond mixture paint and method for repairing a single-crystal superalloy article that minimizes the amount of braze alloy applied to the article. The amount of boron and eutectic brittle borides of the wide gap brazing processes is minimized, resulting in a more robust repair. The braze paint includes an alloy powder mixture, a binder, and a carrier to thin the paint.

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patent: PCT/US03/20805 (2004-04-01), None

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