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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Materials for High Temperature Applications: Next Generation Superalloys and Beyond
Sponsorship TMS Structural Materials Division
TMS: Refractory Metals Committee
Organizer(s) Govindarajan Muralidharan, Oak Ridge National Laboratory
Martin C. Heilmaier, KIT Karlsruhe
Benjamin Adam, Portland State University
Mario Bochiechio, Pratt & Whitney
Katerina A. Christofidou, University of Sheffield
Eric A. Lass, University of Tennessee, Knoxville
Jeremy Rame, Safran Aircraft Engines
Pierre Sallot, Safran
Akane Suzuki, GE Research
Michael S. Titus, Purdue University
Scope Nickel-based superalloys possess an excellent combination of high temperature mechanical properties and environmental resistance, resulting in their wide-spread use in challenging environments found in aircraft engines, land-based power generation gas turbines, nuclear power generation systems, and chemical/petrochemical plants. However, there is a strong need of materials that can enable a revolutionary increase in temperature capability beyond these Ni-base superalloys. Refractory metal-based alloys and refractory metal-based intermetallics are examples of such candidate materials. The goals of this symposium are to discuss recent progress in the development of high temperature material systems that can offer capabilities beyond current Ni-base superalloys and to understand their status, entitlement and limitations, as well as to understand challenges in the use and development of advanced Ni-base superalloys. Topics for discussion include thermodynamics, microstructural design and long term stability, processing, physical properties, mechanical behavior, and environmental resistance of (1) current and next generation Ni-base superalloys, (2) refractory metal based materials, (3) intermetallic based materials, (4) High Entropy/Compositionally complex/Multi-principal element alloys, and (5) coatings.
Abstracts Due 07/20/2020
Proceedings Plan Planned:

A review of plastic flow and microstructure evolution at elevated-temperatures in unalloyed niobium
A world beyond nickel: Techniques for overcoming barriers to high-strength, oxidation resistant refractory alloys.
Accelerated design of γ′-strengthened Co-base superalloys with improved comprehensive performances
Advanced refractory alloys for use at temperatures above 1273K
Beyond Superalloys: An Efficient Strategy for Assessing Environmental Resistance
Compositionally graded nanosize precipitates at grain boundaries of directionally solidified nickel based (GTD444) superalloy
Considerations for Manufacturability and Repairability of Next Generation High Temperature Alloys
Crack initiation anisotropy of Ni-based single-crystal superalloys in the VHCF regime
Creep properties of and segregation at planar defects in Cr-free NiCo-based superalloys
Creep Testing of Molybdenum
Current progress in development of MoSiBTiC alloys
Damage mechanisms involved during very high cycle fatigue of a coated and grit-blasted Ni-based single-crystal superalloy
Deformation of the γ’’’-Ni2(Cr, Mo, W) Phase During Mechanical Testing
Design of Corrosion and Irradiation Resistant Compositionally Complex Alloys using a High-Throughput Platform for Applications in Extreme Environments
Development of refractory metal ‘bcc-superalloys’ reinforced by ordered-bcc intermetallic precipitates
Effect of Al addition on the oxidation behavior of a Mo-Si-B alloy
Effect of Alloy Composition on The Microstructure of Developmental Iridium Alloys
Effect of Processing Parameters on Molybdenum Weld Microstructures
Effects of Eta Phase on the Creep Behavior of the Nickel-Base Superalloy N263
Effects of Key elements Ni, Cr and W on high-temperature microstructural stability of multicomponent Co-base superalloys
Enhancing the creep performance of a corrosion resistant Ni-based superalloy through grain boundary design
Enhancing the Creep Strength of Next Generation Disk Superalloys via Local Phase Transformation Strengthening
Experimentally Determined Creep Properties of Various Alloys and Conclusions for Beyond Nickel-Based Superalloys
Feasibility of Near-Net-Shape HIP Fabrication and PM/Wrought Weld in Alloy IN740H for AUSC Components
High-temperature, thermally-cyclable, reaction-formed, co-continuous refractory metal/ceramic composites for extreme environments
High Throughput Synthesis and Characterization for Honeycomb-sample of Ni-based Superalloys
Hot Isostatic Pressing of Niobium-Based Refractory Alloy Powders
ICME-guided Design of Novel Metal Matrix Composites for Extreme Environments
In-situ Neutron Diffraction Studies on Micro- and Macrostrains in Ni-base Superalloys
Inverse Design of Chemistry of High Temperature Ni-Base Superalloys Using CALPHAD and Machine Learning
Kinetics of Grain Boundary Segregation in an Ir Alloy*
Mechanical properties and microstructural characterization of cast Haynes 282 for Advanced Ultra-Supercritical (A-USC) applications
Metallic Materials Beyond Nickel-Base Superalloys: The Challenges and Potential
Microstructural evolution under complex stress states during creep of single crystal Ni-base superalloy CMSX-4
Microstructure and Mechanical Properties of a Centrifugal Cast Ni-Based Alloy
Modeling planar fault energies in ordered D022 structures
New Tools for Analysis of Microplasticity in BCC Refractory Metals
Next Generation Superalloys and Beyond for Aircraft Engine Applications
Observation of Multiply Coherent Grains in Ni-Based Superalloy LSHR
On the Crack Growth Retardation under Dwell-Fatigue in Nickel Disc Alloys
On the early stages of gamma’ evolution in a model Ni-based Alloy
On the high-temperature Air oxidation behavior of Ti3Al0.6Ga0.4C2 MAX phase solid-solution in the 1000 to 1300 C temperature range
On the Quantitative Characterization of Weld Microstructures
Open Die Forging Simulation of Superalloy Nimonic 115 Using DEFORM 3D Software
Partitioning of Cu and Si contaminants in a Ni-based superalloy and their effect on creep properties
Quantifying Deformation Processes Resulting in Local Phase Transformation Strengthening
Rapid screening, machine learning, and multi-objective optimization for refractory alloy development
Recrystallization and grain size control of wrought γ-γ’ nickel-based superalloys
Segregation-assisted climb of Frank partial dislocations: A novel planar fault formation mechanism in L12-hardened superalloys
Solute segregation at intrinsic stacking faults in disordered face-centered cubic Ni-Co solid solution: first-principles and thermodynamic modeling
Synchrotron X-Ray Scattering Characterization of Strengthening Precipitates in a Model Ni-based Alloy
The Creep Performance of Pesting-Resistant Mo-Si-Ti Alloys
The efficacy of using flat plate oxidation data as a proxy for active crack tip behavior in waspaloy
TROPEA: a platinum containing new generation nickel-based superalloy for single crystalline applications
Ultra-high temperature creep of Ni-based SX superalloys at 1250C
Ultrahigh Temperature Materials for Improving Turbine Efficiency - The Synopsis of an ARPA-E Program
Understanding the Effects of Alloy Chemistry and Microstructure on the Stress Relaxation Behavior of High Strength Ni-base Superalloys
Understanding the high-temperature fatigue properties of the Novel Fe-Ni-Cr based superalloy

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