Turbine blade with ceramic tip

Details Turbine blade with ceramic tip Turbine blade with ceramic tip

2005-08-18

2008-09-02

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

C416S22900R, C416S24100B

Reexamination Certificate

active

07419363

ABSTRACT:
A blade used in a gas turbine engine in which the blade is formed of a blade portion made from a metallic material, and a tip portion made of a ceramic material, the tip portion forming at least 10% of the overall blade length such that the blade is lighter than a all-metallic blade. The ceramic tip of the blade allows the blade to withstand higher temperature environments without damaging the blade as would occur in an all-metallic blade.

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