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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Materials in Clean Power Systems IX: Durability of Materials
Presentation Title Long-term Microstructural Stability in Haynes 282 after High Temperature Exposure
Author(s) Jeffrey A. Hawk, John S. Sears, Paul D. Jablonski
On-Site Speaker (Planned) Jeffrey A. Hawk
Abstract Scope Haynes 282 has been proposed for A-USC energy applications. It is a gamma prime strengthened nickel superalloy that also contains various carbide phases. The alloy has good high temperature strength and excellent creep resistance. However, components for use in A-USC steam must be microstructurally stable for long times (>100,000 hours). This work will highlight the important strengthening features in Haynes 282 through use of TEM and then speak to its long-term stability (i.e., gamma prime and carbide coarsening) based on microstructures from various selected creep tests as well as from isothermal exposure experiments through 20,000 hours. The development of clearly identifiable phases will be followed from initial formation through 20,000 hours of exposure, and correlated to creep microstructures.
Proceedings Inclusion? Planned: A print-only volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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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