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Meeting Materials Science & Technology 2019
Symposium Advanced Materials for Harsh Environments
Presentation Title Effect of Chromium on Corrosion Resistance of Stainless Steels in Supercritical CO2 Direct Power Cycle Environments
Author(s) Reyixiati Repukaiti, Lucas Teeter, Margaret Ziomek-Moroz, Omer Dogan, Richard Oleksak, Randal Burt Thomas, John Baltrus, Julie Tucker
On-Site Speaker (Planned) Reyixiati Repukaiti
Abstract Scope Corrosion resistance of alloys in heat exchangers for supercritical carbon dioxide direct power cycles is key to the design requirements of future plants. The effect of Cr content on the corrosion behavior of 400-series stainless steels was investigated in water containing CO2 and O2 simulating condensed water composition in low-temperature recuperators and coolers. The electrochemical experiments were conducted at 50C and ambient pressure while immersion experiments were conducted at 50C and 8 MPa for 96 hours. These results indicate that the corrosion resistance of the investigated steels increases with increasing Cr content. Surface analysis revealed formation of Cr-rich protective layers.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Adsorption and Corrosion Inhibition Effect of Ammonium Molybdate Tetrahydrate on Mild Steel in 1M of HCl
Alloy Coatings by Electrodeposition for Improved Corrosion Resistance
Alloy Design and Process Development for Direct Shape Forming of Fe-based ODS Alloys with Oxidation Resistance by Cold Spray Deposition
Corrosion Assessment and Materials Selection for The Construction of Flue Gas Core Components at Advanced Pressurized Oxy-fuel Combustion Plants
Corrosion Behavior of Iron and Nickel Based Alloys in Superheater Tube Environments
Development of a Diamond Containing Material for Drilling in UltraHard Formations
Dielectric, Electromechanical Properties and Photo-catalytic Activity of Na0.5Bi0.5TiO3–BaTiO3-K0.5Bi0.5TiO3 Lead-free Ceramics
Early Stage Oxidation of UNS N06230 and UNS N07214 in Dry and Humid Conditions
Effect of Chromium on Corrosion Resistance of Stainless Steels in Supercritical CO2 Direct Power Cycle Environments
Effect of Welds and Crevices on Oxidation in High Temperature Supercritical Carbon Dioxide
Electroceramic-based Passive Wireless Sensors for Monitoring High Temperature Systems
Enhancing the Tribocorrosion Resistance of Al and Mg Alloys via Microstructure Design
Galvanic Corrosion Resistance of Mixed-material Joints Fabricated by Resistance Spot Riveting™
High-temperature Oxidation of Ni-based Alloys in CO2 Containing Combustion Impurities
High-temperature Oxidation of Transient-liquid Phase Bonded Ni-based Alloys in 1 Bar and 200 Bar Carbon Dioxide
High Temperature Corrosion of Iron Alloys for Direct Fired sCO2 Power Cycle Applications
Inclusion Modification and Corrosion Resistance Optimization of 304 Stainless Steel Containing Cerium
Manufacturing Technology and Application of Cooling Stave in Blast Furnace
Materials Under Extreme Environments at the Atomic Scale
Role of Thermodynamics and Kinetics to Design for Passivation
Understanding Weathering Stability of Solar-reflective Composite Silicate Coatings
Wear-corrosion Synergism Behavior of Molybdenum-Rhenium-Tellurium Alloys for Structural Application in Molten Salt Reactor

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