METHOD OF RAISING QUALITY AND OPERATIONAL RELIABILITY OF GAS TURBINE ENGINE BLADES MADE OF REFRACTORY NICKEL ALLOYS Russian patent published in 2002 - IPC

Abstract RU 2184178 C2

FIELD: metal working. SUBSTANCE: method consists in applying diffusive protective coating onto blade surface followed by isostatic pressing and is distinguished by that blade profile is preliminarily subjected to mechanical treatment and that thickness of coating on the outer blade surface is 20-35.9 mcm and that on inner surface 20-25.9 mcm. Treatment prevents formation of oxidized layers on blade surfaces. EFFECT: increased reliability and life time (up to 2 times) of blades. 1 tbl

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RU 2 184 178 C2

Authors

Inozemtsev A.A.

Korjakovtsev A.S.

Kuznetsov V.P.

Lesnikov V.P.

Sychev V.K.

Dates

2002-06-27—Published

2000-02-07—Filed