Gas turbine engine vane assembly repair

Details Gas turbine engine vane assembly repair Gas turbine engine vane assembly repair

1994-05-05

1995-08-29

Cuda, Irene

Metal working

Method of mechanical manufacture

Impeller making

298891, B23P 1500

Patent

active

054449111

ABSTRACT:
A process and apparatus are provided for separating components of a brazed vane assembly by preheating the assembly to a temperature below the solidus of the base metal of the vane assembly and above the liquidus of the braze, then maintaining such temperature while separating the airfoil from the platform by pulling/pushing the airfoil and platform apart.

REFERENCES:
patent: 3802046 (1974-04-01), Wachtell et al.
patent: 3909157 (1975-09-01), Wachtell et al.
patent: 4176433 (1979-12-01), Lee et al.
patent: 4305697 (1981-12-01), Cohen et al.
patent: 4527410 (1985-07-01), MacNitt et al.
patent: 4590653 (1986-05-01), Ades et al.

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