Metal fusion bonding – Process – Repairing – restoring – or renewing product for reuse
Patent
1991-03-01
1993-03-16
Seidel, Richard K.
Metal fusion bonding
Process
Repairing, restoring, or renewing product for reuse
228175, 228246, 2940213, 298891, B23P 1502
Patent
active
051937360
ABSTRACT:
The present invention discloses a method for repairing metal edges using wire and a braze alloy. Using this method, it is possible to restore a damaged metal edge to blueprint dimensions. In the preferred embodiment, the disclosed method relates to the restoration of damaged or worn turbine vanes. The method comprises a preparation step of cleaning and milling the edge of the base metal to be repaired. A repair wire is then placed along the edge, and a braze compound is applied to the junction of the base metal and the repair wire. A brazing step follows which integrates the base metal, the wire and the brazing compound. After standard finishing steps, the repaired vane meets blueprint specifications and is ready for use in a turbine.
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Marijnissen Gillion H.
Smith Gerald T.
Vastine Timothy P.
Elpel Jeanne M.
Interturbine Corporation
Seidel Richard K.
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