Extreme Temperature Coatings for Future Gas Turbine Engines

Author:

Alvin M. A.1,Klotz K.2,McMordie B.2,Zhu D.3,Gleeson B.4,Warnes B.5

Affiliation:

1. U.S. DOE National Energy, Technology Laboratory, Pittsburgh, PA 15236 e-mail:

2. Coatings For Industry, Souderton, PA 18964

3. NASA Glenn Research Center, Cleveland, OH 44135

4. University of Pittsburgh, Pittsburgh, PA 15261

5. Corrosion Control Consultants, Inc., Beaver, PA 15009

Abstract

The National Energy Technology Laboratory-Regional University Alliance (NETL-RUA) has been developing extreme temperature coating systems that consist of a diffusion barrier coating (DBC), a low-cost wet slurry bond coat, a commercial yttria stabilized zirconia (YSZ) thermal barrier coating (TBC), and an extreme temperature external coating that are deposited along the surface of nickel-based superalloys and single crystal metal substrates. Thermal cyclic testing of these multilayer coatings was conducted in steam-containing environments at temperatures ranging between 1100 and 1550 °C. This paper discusses the response of these materials during bench-scale testing, and their potential use in advanced H- and J-class land-based gas turbine engines.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Reference11 articles.

1. Development and Assessment of Coatings for Future Power Generation Turbines,2012

2. Current and Future Technologies for Gasification-Based Power Generation, Volume 2: A Pathway Study Focused on Carbon Capture Advanced Power Systems R&D Using Bituminous Coal,, 2009

3. Dennis, R. A., 2006, “FE Research Direction—Thermal Barrier Coatings and Health Monitoring Techniques,” Workshop on Advanced Coating Materials and Technology for Extreme Environments, Pennsylvania State University, State College, PA, September 12–13.

4. Thermal Barrier Coatings for Aeroengine Applications;J. Propul. Power,2006

5. Thermal Conductivity of EB-PVD Thermal Barrier Coatings Evaluated by a Steady-State Laser Heat Flux Technique;Surf. Coat. Technol.,2001

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