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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Refractory Metals 2023
Sponsorship TMS Structural Materials Division
TMS: Refractory Metals & Materials Committee
Organizer(s) Brady G. Butler, US Army Research Laboratory
Todd A. Leonhardt, Rhenium Alloys Inc.
Matthew G. Osborne, Global Advanced Metals
Zachary S. Levin, Los Alamos National Laboratory
Scope This symposium provides a forum for the presentation of fundamental research advances and technological progress in the understanding, processing, and applications of refractory metals. Refractory metals are defined as those metallic elements with melting temperatures exceeding 2123 K (1850 C). Refractory metals are of technological importance for their performance in extreme environments because of mechanical, microstructural, and chemical stability at high temperatures and under extreme loading conditions. Research of interest includes alloy development, microstructure evolution, and correlations with properties, both experimental and theoretical. Technological advances in processing of refractory metals and their alloys and applications in energy, transportation, and other sectors are also of interest.

New developments of interest include: refractory alloys with multiple principal components, C103 alloy replacements, and high throughput characterization of refractory materials, among others. Processing methodologies and techniques involving forming, welding, brazing, and powder metallurgy are also of interest. Presentations that communicate results from academia, national laboratories, and industry are welcomed. Presentations by students are highly encouraged.

A special session will be organized to focus on Ultrahigh Temperature Impervious Materials Advancing Turbine Efficiency (ULTIMATE). ULTIMATE is a program sponsored by ARPA-E that aims to develop a new class of ultrahigh temperature materials that can operate continuously at 1300 C or higher. Candidate materials include conventional refractory metal alloys and refractory high entropy alloys (RHEA). The program also covers coatings and manufacturing technologies necessary for these materials to succeed in power generation or jet engine applications. Relevant research from all contributors is welcome. Interested contributors, please indicate ULTIMATE in the abstract title.

Abstracts Due 07/17/2022
Proceedings Plan Undecided
PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE

A new tungsten alloy for Fusion reactors
A structural signature for ductility in chemically complex alloys
Accelerated design of radiation tolerant alloys for nuclear fusion
Alloys of Chromium-Silicon Alloys with Iron and Nickel for Structural high Temperature applications
An additive manufacturing system for high-resolution composition grading combining inkjet deposition with laser powder bed fusion
Bcc-Superalloy nano-structured tungsten and refractory high entropy alloys
BIRDSHOT: An Accelerated Program for the Discovery and Optimization of Refractory High Entropy Alloys
Building Fundamentals for Data-Driven Discovery of Refractory High Entropy Alloys with Targeted Mechanical Properties via First-Principles and Machine Learning
CALPHAD assessment of Mo-V-W-Nb-Ta high entropy alloys with CVM based, temperature dependent Short Range Order corrections. ULTIMATE
Challenges in the Development of a Creep-Resistant Nb- Alloy Capable of 1300C Service
Chromium-based bcc-superalloys tailored by iron addition
Concurrent Design of a Multimaterial Niobium Alloy System for Next-generation Turbine Applications
Creep Resistance of Nb Alloys Strengthened by Multiple Mechanisms at 1300C
Data-Augmented Property Modeling for Accelerated Closed-Loop Multi-Objective Design of Refractory High Entropy Alloys for ULTIMATE
Design and correlative mapping characterizations of high-entropy alloys for nuclear applications
Design of Nb-based Alloys Strengthened by Silicide for ULTIMATE
Development of Ruthenium-Based Alloy Wire for Highly Efficient OLED Vacuum Deposition
Dislocation emission from crack tips in Cr studied by in-situ TEM
Effects of Cr content, second phase formation and sintering temperature on characteristics of WMoVTiCr refractory high-entropy alloys
Fundamentals of Recrystallization in Binary Nb alloys
High-throughput design, synthesis, and characterization of refractory multi-principal element alloys (MPEAs) for ULTIMATE
High-throughput design, synthesis, and characterization of W-based refractory multi-principal element alloys (MPEAs)
High Entropy Rare-Earth Oxide (HERO) Coatings for Refractory Alloys
Impact of Ti and Al on Ordered B2 formation in potential high temperature RCCAs
Insights on the fatigue crack growth behaviour of rolled tungsten for its application in nuclear fusion
Investigating Heat-Treatment and Strain Path Effects on the Recrystallization of High-Purity Niobium
Mechanical Properties of WMoFeNi Alloys During High Strain-Rate Testing
Mechanistic Models of the Inelastic Deformation of Refractory BCC Metals
Microstructural and compositional evolution in the tantalum vanadium system: towards refractory alloys for extreme environments
Morphological Impacts on the stress relaxation and strain rate sensitivity in Tungsten Heavy Alloy (WHA)
New environmental-thermal barrier coatings for ultrahigh temperature alloys
Novel refractory bond coat alloy capable of alumina formation up to 1400C (ULTIMATE project)
Phase identification in Mo-Si-B-Ti alloys
Recent Developments in Refractory Complex Concentrated Alloys (RCCAs)
Refractory Alloys for Future Aerospace Applications
Resolving local lattice distortion in chemically inhomogeneous dendritic RHEA
Rhenium Effect on the Microstructure and Mechanical Properties of NbTiZr and TaTiZr Equiatomic Alloys
Selection, processing and characterization of Cr-containing multiphase refractory complex concentrated alloys
SPS Processing of High Temperature Nb Alloys for ARPA-E Ultimate Program.
Strengthening in Mo-La Alloys at Temperatures from 1500 ⁰C to 1700 ⁰C
Stress Relaxation Behavior of Molybdenum Sheet
Study of the Interactions of Niobium with Oxygen from First Principles with Bayesian Uncertainty Quantification
The Influence of Thermally Activated Dislocation Motion on the Brittle-ductile Transition of BCC Refractory Metals
The oxidation behavior of the eutectic alloy Mo-20Si-52.8Ti in dry and wet atmospheres
The Phase, Microstructure and Mechanical Properties of High Entropy Mo-Nb-Ti-V-W-Zr Ultrahigh Temperature Refractory Alloy
The study of high temperature deformation of model Nb-based Refractory Metal Intermetallic Composites (RMICs) at ultra-high temperatures
Thermal transport modeling in refractory multi-principal element alloys: A high-throughput density-functional theory approach
ULTIMATE: Additive Manufacturing of Ultrahigh Temperature Mo-Si-B alloys
Ultimate: Affordable, durable precipitation strengthened refractory high entropy alloys for use at 1300 Celsius and above.
ULTIMATE: Alloy Designs for High Temperature Mo-Si-B Base Systems
ULTIMATE: arc melting and additive manufacturing of refractory complex concentrated alloys and composites
ULTIMATE: Environmental Protection Coating System (EPCS) for Refractory Metal Alloys (RMAs)
ULTIMATE: Machine Learning Guided Oxide Dispersion Strengthened Refractory HEA Discovery
ULTIMATE: Refractory Metal Alloys for Gas Turbine Applications – a new age of Ultrahigh Temperature Materials
ULtrahigh TEmperature Refractory Alloys (ULTERA) Database and Data Quality Assurance
Ultrahigh Temperature Testing Methodology for Refractory Alloys
Understanding process-performance trade-offs in additively manufactured refractory metals and refractory HEAs to drive future RHEA design


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