Steam turbine blade anti-erosion shield and method of turbine bl

Details Steam turbine blade anti-erosion shield and method of turbine bl Steam turbine blade anti-erosion shield and method of turbine bl

1988-04-29

1989-06-27

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

2940211, 291568B, 156 94, 156153, 156247, 156330, 428 40, 428 63, 428174, 428192, 428416, 428422, B32B 3500

Patent

active

048426636

ABSTRACT:
An arcuate anti-erosion shield of stellite or the like has an inner surface with a film supported adhesive attached thereto and gasket strips formed from a fluoroelastomer along the edges thereof. The method of repair of an eroded shield is disclosed in which the eroded shield is removed, welding material dissolved by acid, and the blade sandblasted. The film is removed from the shield and the shield installed on the turbine blade. Pressure and heat is applied to the shield to thermoset the adhesive.

REFERENCES:
patent: 3904101 (1975-09-01), Beltran et al.
patent: 3928901 (1975-12-01), Schilling et al.
patent: 4285108 (1981-08-01), Arrigoni
patent: 4726101 (1988-02-01), Draghi et al.

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