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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Advancing Current and State-of-the-Art Application of Ni- and Co-based Superalloys
Sponsorship TMS Structural Materials Division
TMS: High Temperature Alloys Committee
TMS: Corrosion and Environmental Effects Committee
Organizer(s) Chantal K. Sudbrack, National Energy Technology Laboratory
Mario Bochiechio, Pratt & Whitney
Kevin J. Bockenstedt, ATI Specialty Materials
Katerina A. Christofidou, University of Sheffield
James Coakley, Chromalloy
Martin Detrois, National Energy Technology Laboratory
Laura C. Dial, Ge Research
Bij-Na Kim
Victoria M. Miller, University of Florida
Kinga A. Unocic, Oak Ridge National Laboratory
Scope Superalloys are critical to operation and future design of a wide variety of propulsion and power generation components in the aerospace, marine, and energy industries. Their industrial application is often driven by excellent long-term stability and durability at elevated temperatures or in aggressive environments because they display a good balance of mechanical strength, fatigue and creep resistance, as well as corrosion and oxidation resistance. The symposium aims to attract papers on current and state-of-art application of Ni- and Co-based superalloys. Topics of interest may include (but are not limited to):

• Viability of fabrication with additive manufacturing methods (powder bed techniques and direct energy deposition)
• Relationships of metallurgical processing with microstructure and performance (i.e. casting, forging and heat treatment)
• Mechanisms of ambient and elevated temperature plasticity, creep, fatigue, creep-fatigue, crack growth and environmental damage
• Mitigation of environmental, thermal, and thermal mechanical damage, including improved coatings for service operation
• Advancement in joining, repair, and rejuvenation of superalloys

Abstracts Due 07/15/2019
Proceedings Plan Planned: Supplemental Proceedings volume

A Comparative Study of the Effects of Surface Treatments and Finishes on the High Temperature Oxidation Behavior of Alloy 800 in a 400 C Steam Environment
A Comparison of Creep Properties between Conventionally Cast and Additive Manufactured CMSX-4
A Damage Model with Oxidation Effects
Advancing Alternate Processing of Rene 65 with Additive Manufacturing
Advancing Characterization of Co/Ni-based Superalloys with Statistics using Correlative Electron Diffraction and X-ray Spectroscopy
Advancing The State of the Art of Superalloys by Balancing Performance with Repairability
Analysis of the APB Energy in an Additive Manufactured Polycrystalline Ni-based Superalloy with High γ' Volume Fraction
Applying APT and LKMC Simulations to a Model Ni-based Superalloy
Competing Mode of Failure Predictions in a Ni-based Superalloy using Crystal Plasticity Finite Element Simulations
Competitive Mechanisms of Fatigue Crack Initiation Around Non-metallic Inclusions of a Polycrystalline Ni-base Superalloy
Considerations for Homogenizing Alloys
Creep Resistant Cast INCONEL Alloy 740H using an Alternative Casting Technique
Deformation Mechanisms of Co-Cr-W-Ni Alloys at Ambient Temperature
Design Approaches for Advanced High Temperature Structural Materials
Design of γ’-strengthened Co/Ni-based Superalloys
Development of a New High Energy X-ray Diffraction NDT for High Pressure Turbine Blades
Effect of Stacking Fault Segregation and Local Phase Transformations on Creep Strength in Ni-base Superalloys
Effect of Ultrasonic Nanocrystalline Surface Modification (UNSM) on the Oxidation Behavior of Alloy 800HT in a Supercritical Carbon Dioxide (SCO2) Environment
Elevated Temperature Tribological Behavior of Alloys 800HT and 617 for High Temperature Gas-cooled Reactor Applications
Enhancement of EB-PVD Thermal Barrier Coating Adhesion Strength by Laser Surface Texturing
Environmental Effect Solutions for Superalloys Today and Tomorrow
Evolution of Microstructure in Net-shape HIP IN718 with Improved Fatigue Performance
Experimental Assessment and Numerical Simulation of Recrystallization Phenomena in Nickel based Superalloy Forgings
Factors Controlling VHCF Life of Ni-based Single Crystal Superalloys
First-principles Study of Displacive-diffusive Phase Transformations during High Temperature Creep: from Ni- to Co-based Superalloys
Formation and Composition of Hot Corrosion Deposits on Model Ni-Cr-Al Alloys
Friction Stir Welding of Inconel 825 Alloy
From Co-Al-W-alloys to Advanced CoNi-base Superalloys
G-1 (Invited): The Role of Heteroepitaxial Recrystallization in the Determination of the Grain Size Distribution during Thermomechanical Processing of Ni Base Superalloys
G-2: Application of Computed Tomography as Non-destructive Test in Development Process of Aircraft Ni Superalloys Castings
G-3: Evaluating the Hydrogen Environment-assisted Cracking Susceptibility of a Next-generation Co-Ni Alloy for Marine Fastener Applications
G-7: The Role of Microstructural Homogenization on Tensile and Stress-rupture Behavior of Selective Laser Melted Nickel Based 718 Alloy
Grain Boundary Chemistry and Mechanical Properties of a Multicomponent Co-based L12–ordered Intermetallic Alloy
Heat Treatment Behavior and Microstructure Evolution of Ni-Cr-Mo-W (Haynes 244) Alloy after Surface Treatment by Ultrasonic Nanocrystalline Surface Modification (UNSM) and Laser Shock Peening (LSP)
High-temperature Corrosion of Ni-based Superalloys in Impure CO2 Power Cycle Environments
Innovation in Ni- and Co-base Superalloys at Carpenter Technology Corporation
Investigating Deformation Mechanisms in a Coarsening Resistant Ni-base Superalloy with "Compact" γ'-γ" Coprecipitates
Is the Carbon Content Really an Issue for the LCF Durability of Forged γ/γ′ Ni-based Disk Alloys?
Microstructure and Mechanical Properties of a Cast Ni-based Alloy
Microstructure and Mechanical Properties of a CoNi-base Superalloy Fabricated by Electron Beam Melting
Microstructure Evolution in a P/M Ni-based Super Alloy
Modeling the Dependence of Microstructural Evolution on the Crystallographic Orientation in Ni-based Single Crystal Superalloys
New Insights on Al2O3-Scale Growth on Ni-Based Alloys and the Influence of Reactive Elements
Ni-based Superalloy Design Exploration by the High-throughput Hot-isostatic-pressing Micro-synthesis Method
Numerical Calculation of Antiphase Boundary Energy of Ni-superalloys
On the Effects of Chemistry Variations in New Nickel-based Superalloys for Industrial Gas Turbine Applications
On the Formation of Heating and Cooling Precipitates from a Superalloy Powder
On the Rejuvenation of Crept Ni-base Single Crystal Superalloys (SX) by Hot Isostatic Pressing (HIP)
On the Temperature Limits of Ni-based Superalloys
Optimising Creep Resistance of a Powder Metallurgy Nickel Superalloy via Tailoring of γ΄ Precipitates Using Different Heat Treatments
Optimising the γ/γ' Microstructure and Increasing the High Temperature Strength of a Co-base Superalloy
Performance of Gamma Prime Alloys Processed Through Electron Beam Melting
Phase-field-informed Modeling of γ’ Rafting in 3D during High-temperature Creep in Ni-based Single Crystal Superalloys
Probing Effects of Alloying Additions and Local Phase Transformation Strengthening on Creep Deformation in Nickel Based Superalloys
Recent Advances in Inertia Friction Welding of Dissimilar Ni-base Superalloys
Segregation at Planar Defects in Model NiCo-based Superalloys
Structural and Chemical Features of Borides Precipitated within the Transient Liquid (TLP) Bonded Superalloys
Very High Cycle Fatigue of a Polycrystalline Co-base Superalloy
Welding and Weldability Assessment of Ni-based Superalloys

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