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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Energy Materials 2017: Materials in Clean Power
Presentation Title Effect of Pressure and Thermal Cycling on Compatibility in CO2 for Concentrated Solar Power Applications
Author(s) Bruce A Pint, Robert G Brese, James R Keiser
On-Site Speaker (Planned) Bruce A Pint
Abstract Scope Initial experimental work at 700-800C is in progress to develop a lifetime model for supercritical CO<SUB>2</SUB> compatibility for the 30 year duty life for high-efficiency concentrated solar power (CSP) applications at >700C. Nickel-base alloys 740H, 282 and 625 and Fe-base Sanicro 25 are being evaluated in 500-h cycles at 1 and 300 bar, and 10-h cycles in 1 bar industrial grade CO<SUB>2</SUB>. All of the alloys showed reasonably low reaction rates after 1000 h at 700, 750 and 800C and oxide thickness measurements were consistent with the mass change data. However, after ~1500 h of exposure in 10-h cycles, the Fe-base alloy has begun to show increased mass gain, particularly at 700C. Characterization of the internal attack as a function of gas pressure and temperature is in progress. Research sponsored by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Solar Energy Technology Program (SunShot Initiative).
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

C-21: Novel Hydrogen Storage Reaction Pathway of LiBH4+MgH2 Mixtures Enabled by Ball Milling and Aerosol Spraying
C-22: Pyrolysis of Different Wood Species Investigated by TGA-GC-MS
Corrosion of Energy System Materials in Supercritical Carbon Dioxide (sCO2)
Creep-Fatigue-Oxidation Interactions under Fossil Energy Service Conditions
Defect Chemistry of Black Anatase TiO2: An Ab Initio Study
Early Stage Oxidation of Alloy 617 in CO2 Power Cycle Environments
Effect of Pressure and Thermal Cycling on Compatibility in CO2 for Concentrated Solar Power Applications
High Temperature Oxidation of Ni-base Alloys and Stainless Steels in Supercritical CO2 for Power Systems Applications
Manipulating Creep through Modifying Gamma Prime Coarsening Rate in Haynes 282 for A-USC Power Plants
Microstructural Stability of High Cr Containing FeCrAl Alloys with Minor Alloying Additions
Nickel-doped Titania Nanotube Arrays and Their Application in Hydrogen Production
Pb-Bi-Sb and Pb-Bi-Ge: Novel Alternative Alloys for Application as Heat-transport Fluids in Concentrated Solar Power Systems
Phase Relation Prediction for AgxCu1-xGayIn1-ySe2 PV Absorber Layers
Solid-State, High-Shear Manufacturing to Enable Lower Cost and Higher Performance Materials for Energy Conversion
The Composite Materials with Semiconductor and Ionic Conductor for Novel Low Temperature Solid Oxide Fuel Cells
The Impacts of Alternative Fuels and Associated High Water Vapor Content Environments on the Stability and Aging of Turbine Hot-Section Materials
Transient Liquid Phase Bonding of Ni-based-superalloy-H230 for Microchannel Heat Exchanger for Application in Supercritical CO2 Cycles

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