Mim method for coating turbine shroud

Details Mim method for coating turbine shroud Mim method for coating turbine shroud

B - Operations, Transporting

22

F

B22F 3/15 (2006.01) B22F 1/00 (2006.01) B22F 5/00 (2006.01)

Patent

CA 2564580

A method of producing a puck (48) for coating a turbine shroud includes: providing a mixture of a metallic powder and a binder; melting the mixture and forming the mixture into a preform (70) having a shape conforming to the flowpath surface (18) of the shroud; removing a majority of the binder from the preform (70); and heating the preform (70) with microwave energy (86) to remove the remainder of the binder and to sinter the metal powder together to form the puck (48). A turbine shroud may be repaired by bonding the puck (48) to its flowpath surface (18).

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