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RISDevelopment of a Corrosion Resistant Directionally Solidified Material for Land Based Turbine Blades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Advanced turbines with improved efficiency require materials that can operate at higher temperatures. Availability of these materials would minimize cooling flow requirements, and, thus, improve ...
Metallurgical Characterization of a High-Pressure Rotor for Remaining Service Life Assessment After 26 Years of Service
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In-service material degradation of a high-pressure rotor steel has been investigated for remaining service life assessment. The samples for this study were taken from the cold and hot locations ...
Effect of Time and Temperature on Thermal Barrier Coating Failure Mode Under Oxidizing Environment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermal barrier coatings (TBCs) have been recently introduced to hot section components, such as transition pieces and the first two stages of turbine blades and vanes of advanced F, G, and ...
Coating Life Prediction Under Cyclic Oxidation Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The hot gas path section components of land based turbines require materials with superior mechanical properties and good hot corrosion and oxidation resistance. These components are generally ...
Coating Life Prediction for Combustion Turbine Blades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A life prediction method for combustion turbine blade coatings has been developed by modeling coating degradation mechanisms including oxidation, spallation, and aluminum loss due to inward ...
Cyclic Oxidation Behavior of Aluminide, Platinum Modified Aluminide, and MCrAlY Coatings on GTD-111
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cyclic oxidation behavior of aluminide, platinum modified aluminide, and MCrAlY coatings has been investigated at three temperatures. Aluminide and platinum modified coatings were deposited on GTD ...
Life Assessment of an HP-IP Rotor Under Creep Service Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A CrMoV high and intermediate-pressure (HP-IP) rotor exhibited in-service cracking in the blade groove walls. Cracks initiated from a notch and propagated under creep conditions to a depth of ...
Development Requirements for an Advanced Gas Turbine System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In cooperation with U.S. Department of Energy’s Morgantown Energy Technology Center, a Westinghouse-led team is working on the second part of an 8-year, Advanced Turbine Systems Program to develop ...
Computational Design of Corrosion-Resistant Fe–Cr–Ni–Al Nanocoatings for Power Generation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A computational approach has been undertaken to design and assess potential Fe–Cr–Ni–Al systems to produce stable nanostructured corrosion-resistant coatings that form a protective, continuous scale ...
Evaluation of Nanocrystalline Coatings for Coal-Fired Ultrasupercritical Boiler Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cyclic oxidation behavior and microstructural degradation of nanocrystalline Ni–20Cr–xAl (where x=4 wt %, 7 wt %, and 10 wt %) coatings have been investigated. The coatings were deposited on ...