Methods for weld repairing hollow, air cooled turbine blades...

Details Methods for weld repairing hollow, air cooled turbine blades... Methods for weld repairing hollow, air cooled turbine blades...

B - Operations, Transporting

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26/150

B23K 9/235 (2006.01) B23K 35/22 (2006.01) B23K 37/06 (2006.01) B23P 6/00 (2006.01) F01D 5/00 (2006.01) F01D 5/18 (2006.01)

Patent

CA 1285127

Abstract Method for Weld Repairable Hollow, Air Cooled Turbine Blades A mask particularly useful in the weld repair of air cooled gas turbine blades and vanes contains a mixture of ceramic particles in a liquid carrier. The mask is applied onto the surface of the blade or vane, and into the cooling holes. Following a sintering treatment, an inert, thermally stable, electrically nonconductive ceramic mask is produced, which is easily removed after welding.

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