Oak Ridge National Lab

Project Number

FEAA074

Title

Materials Issues in Innovative Turbine Blade Designs

Participant

Oak Ridge National Laboratory

Principle Investigator

George Easo

Project Dates

12/1/2009-9/30/2012

Research Area

Aero/Heat Transfer

Federal Contact

Robin Ames – robin.ames@netl.doe.gov

This project focuses on the selection and evaluation of high-temperature materials for use in innovative turbine blade designs that can dramatically improve turbine efficiencies for utility applications. The work specifically addresses medium- to long-range needs for improved, or new, materials that can be used at the higher temperatures expected in advanced gas turbine designs. The specific materials systems investigated in this project include aluminides, silicides, and eutectic composites (NiAl-Cr). In addition, the project also focuses on nearer term materials needs by investigating the mechanical properties of the recently developed low-Re nickel-based superalloys before and after environmental exposure.

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