Parts for and methods of repairing turbine blades

Details Parts for and methods of repairing turbine blades Parts for and methods of repairing turbine blades

1987-12-16

1989-05-23

Godici, Nicholas P.

Metal fusion bonding

Process

Repairing, restoring, or renewing product for reuse

228226, 228231, 228232, 2940213, 2940216, 291568B, 416224, 416241R, F01D 528, B23P 1504, B23K 3100

Patent

active

048322520

ABSTRACT:
A part and method for repairing a high velocity fluid flow machine part, for example a turbine blade comprises an insert which may be made from a piece of material the same as the turbine blade and prior to attachment to the blade has an edge region hardened by any suitable means, for example induction hardening, the insert then being secured to the blade by welding or brazing, the weld or braze material being of a relatively soft nature to provide a cushion between the insert and the blade so as to minimize the occurrence of stress corrosion cracking.

REFERENCES:
patent: 3564689 (1971-02-01), Hirtenlechner
patent: 3854189 (1974-12-01), Ezis et al.
patent: 4141127 (1979-02-01), Cretella et al.
patent: 4214355 (1980-07-01), Zelahy
patent: 4241110 (1980-12-01), Ueda et al.
patent: 4611744 (1986-09-01), Fraser et al.

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