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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, Northwestern University Center for Atom-Probe Tomography
Mario Bochiechio, Pratt & Whitney
Kevin J. Bockenstedt, ATI Specialty Materials
Katerina A. Christofidou, University of Sheffield
James Coakley, University of Miami
Martin Detrois, National Energy Technology Laboratory
Laura C. Dial, GE Global Research
Bij-Na Kim, Carpenter Additive
Victoria M. Miller, University of Florida
Kinga Angelika 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
Application of Computed Tomography as Non-destructive Test in Development Process of Aircraft Ni Superalloys Castings
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
Development of a New High Energy X-ray Diffraction NDT for High Pressure Turbine Blades
Effect of 2%Re on Long-term Creep Behaviors of Ni-based Single Crystal Superalloys at 900 oC and 200-330 MPa
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
Evaluating the Hydrogen Environment-assisted Cracking Susceptibility of a Next-generation Co-Ni Alloy for Marine Fastener Applications
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
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?
Low and Intermediate Temperature Shear Mechanisms of Co-precipitates in IN718
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
Microstructure Evolution of the 410 Stainless Steel and Co-based Alloy Dissimilar Welded Joint Manufactured by Electron Beam Welding
Modeling the Dependence of Microstructural Evolution on the Crystallographic Orientation in Ni-based Single Crystal Superalloys
Nano-twinning in a γ’ Precipitate Strengthened Ni-based Superalloy
New Insights into Under-platform Corrosion and the Stress Induced Cracking of Nickel-based Single Crystal Superalloys under High Temperature Corrosion Environments at 550-600C
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
Phase-field Informed DDD Study: Dependence of Microstructural Evolution on the Crystallographic Orientations 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
Revisiting Precipitation Hardening in Ni- and Co-based Superalloys: Compositional and Microstructural Effects
Segregation at Planar Defects in Model NiCo-based Superalloys
Structural and Chemical Features of Borides Precipitated within the Transient Liquid (TLP) Bonded Superalloys
The Origin and Stability of Nanostructural Hierarchy in Nickel-base Superalloys
The Role of Microstructural Homogenization on Tensile and Stress-rupture Behavior of Selective Laser Melted Nickel Based 718 Alloy
Understanding of Alloying Element Effects for the Design of Multicomponent γ′-strengthened Co-based Superalloys
Very High Cycle Fatigue of a Polycrystalline Co-base Superalloy
Welding and Weldability Assessment of Ni-based Superalloys

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