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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Materials in Clean Power Systems IX: Durability of Materials
Presentation Title Materials Issues for Supercritical CO2 above 700C
On-Site Speaker (Planned)
Abstract Scope There is current interest in the use of supercritical CO2 (sCO2) as the working fluid for fossil, nuclear and concentrated solar power applications, particularly above 700C where very little experimental data are available. To address this knowledge gap for compatibility, a broad range of experimental data are needed to populate a predictive model for candidate structural alloys. Initial 500h exposures at 700-750C and 1-300bar have shown little effect of pressure and no significant compatibility issues for precipitation strengthened Ni-base alloys, however, longer-term exposures will provide more confidence in designs for 25,000 to beyond 100,000h operation. An “open” sCO2 cycle represents additional challenges due to the incorporation of combustion products in the sCO2, but may be a revolutionary path for CO2 capture from fossil fuel combustion. Simulating open cycle conditions in the laboratory also is a challenge. Research supported by the U.S. Department of Energy, Office of Fossil Energy.
Proceedings Inclusion? Planned: A print-only volume


Characterization of Titanium Thin-Film Liquid/Gas Diffusion Layer in Clean and Renewable Power Systems
Computational Modeling of Metal Oxidation
Corrosion Behaviour of 9-12Cr Ferritic Steels and 18-25Cr Austenitic Steels in Supercritical CO2
Corrosion of Energy System Materials in Supercritical Carbon Dioxide (sCO2)
Corrosion of Nickel-base Alloys by Supercritical CO2
Corrosion of Supercritical CO2 Turbomachinary Components
Cyclic Behavior and Fatigue Properties for Haynes 282
Development of Creep Resistant High Cr containing FeCrAl Ferritic Alloys for Fossil Energy Applications
Development of HfB2-ZrB2 Based Ceramics as High Temperature Electrode Materials for MHD Direct Power Extraction System
Effect of Temperature and Pressure on Supercritical CO2 Compatibility of Structural Alloys
Electrodeposition of MCrAlY and Pt-Modified MCrAlY Coatings for Gas-Turbine Engine Applications
Evaluation of the Creep-Rupture Behavior of Haynes Alloy 282 for Advanced Ultrasupercritical Boiler Service
Heat Resistant Alloy Development for Fossil Energy Power Generation
High-Temperature Corrosion of Diffusion Bonded Haynes 230 in Supercritical CO2 Cycle Conditions
High Pressure Steam Oxidation of Boiler and Turbine Alloys
High Temperature Corrosion in Molten Salts & Molten Salts Technology: Past, Present and Future
High Temperature Oxidation and Mechanical Properties of Novel Al-containing Fe-based ODS Alloys
Long-term Microstructural Stability in Haynes 282 after High Temperature Exposure
M-1: Effect of High Temperature Cyclic Oxidation on the Deformation of ODS and Cast FeCrAlY Alloys
M-2: Effect of Mechanical Loading on Galvanic Corrosion Using Electrochemical Characterization Techniques and Depth Profiling
M-3: Electrodeposition of Amorphous/Nanocrystalline Ni–Mo Alloy for Hydrogen Evolution Reaction
M-4: Phyllanthus Muellerianus and Triethanolamine Synergistic Effects on Steel-reinforced Concrete in 0.5 M H2SO4: Implication for Clean Corrosion-protection of Wind-energy Structures in Industrial Environment
Materials Issues for Supercritical CO2 above 700C
Mechanical Characterization of Solid Acid Materials for Intermediate Temperature Fuel Cells
Precipitation Dynamics and the Role of Microstructural Changes in the Development of Alumina-Forming Austenitic Stainless Steels
Weldability of Gradient Tubes for High Temperature Application

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