Methods for weld repairing hollow, air cooled turbine blades and

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

1986-11-20

1988-02-23

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291568H, 2940218, 29DIG48, 228118, 228119, 416 97R, 501 95, B23P 1502, C04B 3502

Patent

active

047261048

ABSTRACT:
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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