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Meeting Materials Science & Technology 2020
Symposium High Entropy Materials: Concentrated Solid Solution, Intermetallics, Ceramics, Functional Materials and Beyond
Sponsorship ACerS Basic Science Division
TMS Alloy Phases Committee
Organizer(s) Xingbo Liu, West Virginia University
Michael C. Gao, National Energy Technology Laboratory
Peter K. Liaw, University of Tennessee
Jian Luo, University of California, San Diego
Yiquan Wu, Alfred University
Yu Zhong, Worcester Polytechnic Institute
Scope One main objective of this high-entropy materials (HEM) symposium is to connect the high entropy alloys (HEAs) or the more broadly-defined multi-principal-element alloys (MPEAs) community that started off with two journal papers published in 2004 and the conventional materials community that has already created a huge number of multi-component compounds (Oxides, Borides, Carbides, Silicides, intermetallics, and others) in the past several decades. Many conventional multi-component materials identified prior to 2004 may still satisfy the definitions of HEAs or MPEAs but may be missed during literature searches using the keywords of HEAs or MPEAs. Bringing these two communities together will benefit both by filling the gap and also avoiding repeating research into known materials.

Another objective is to promote the design and development of high-performance materials for industrial applications using the high entropy concept. It is recognized that configurational entropy does not always dominate materials properties, and efficient and reliable methods are urgently needed to accelerate discovery of new cost-effective materials for wide arrays of industrial applications. As such this HEM symposium solicits recent quality research on fundamental understanding and applications of HEAs, MPEAs, and conventional multi-component materials including solid solution alloys, alloy compounds, composites, ceramics, semiconductors, polymers, and many other functional materials.

Topics of interest include but not limited to:
(1). Combinatorial synthesis methods in bulk and thin film forms
(2). High throughput characterization of the phases, microstructures and properties
(3). Advanced characterization such as neutron scattering and atom probe tomography
(4). Physical properties such as electric/ionic/thermal conductivities
(5). Functional (e.g., magnetic, magnetocaloric, thermoelectric, superconducting, dielectric, optical) properties.
(6). Thermodynamic and kinetic properties
(7). Mechanical properties (e.g., elasticity, strength, hardness, ductility, toughness, creep, fatigue)
(8). Environmental properties (e.g., aqueous corrosion, oxidation, irradiation, hydrogen storage, cryogenic temperatures, high temperatures, high pressure)
(9). Theoretical modeling and simulation using density functional theory, molecular dynamics, dislocation theory and dynamics, Monte Carlo, phase-field, finite elements, and CALPHAD.

Abstracts Due 05/31/2020
Proceedings Plan Planned: At-meeting proceedings

Atomistic Modeling Predictions of the Structures and Properties of High Entropy Alloy Nanoparticles from Carbothermal Shock Synthesis
Atomistic Simulations Evince the Sluggish Diffusion in Refractory HEAs
Beyond Mechanical Metastability in FeMnCoCr?
Bond-order Bond Energy Model for Concentrated Solid Solutions
Chemical Defect Reactivity of A-site High-Entropy LaFeO3 and LaMnO3 Based Perovskite Oxides
Computational Techniques to Study High-entropy Materials
Computationally Guided High Entropy Alloy Discovery
Control of Discontinuous and Continuous Precipitation of Gamma-prime Strengthened High-entropy Alloys
Controllable Phase Heterogeneity in High Entropy Oxides
Corrosion Resistant Property Improvement of CoCrFeNiMoTi-based High Entropy Alloy by Optimizing Composition
Effect of Grain Size and Strain Rate on the Deformation Mechanism of Nanocrystalline HEAs Using Molecular Dynamics Simulations
Effect of Interstitial Nitrogen on the Phase Stability, Strengthening, Mechanical Behavior in TRIP-assisted High-entropy Alloys
Effect of Milling Parameters on Microstructure and Mechanical Properties of Mechanically Alloyed, Refractory High Entropy Alloy
Full “Ab-initio” Simulation of Field Evaporation of High Entropy Alloys
High-Entropy Alloy Approach to Thermoelectric Materials
High-entropy Sesquioxide Transparent Ceramics with Up-conversion Functionality
High Entropy and Sluggish Diiffusion Effects in Co-Cr-Fe-Ni Based High Entropy Alloys
Highly Tunable Mechanical and Magnetic Properties in an Al0.3CoFeNi Complex Concentrated Alloy
Introductory Comments: High Entropy Materials
Investigating Multi-principal-element Alloys (MPEAs) at Larger Scales: From Melt Processing to New Design Approaches
Lattice-distortion-enhanced-yield Strength in a Refractory High-entropy Alloy
Machine Learning and Data Analytics for Identification of HEA Compositions and Processing Conditions Resulting in Enhanced Fatigue Resistance
Magnetic Properties of High Entropy Oxides
Phase Stability of CoCrFeMnNi High Entropy Alloy at Elevated Temperature and Pressure
Phase Transformation and Kinetic Behavior of High Entropy Oxide Materials Characterized via Rapid In-situ Non-ambient X-ray Diffraction
Quantification of the Feasible High Entropy Alloy Space via Novel Alloy Search Schemes
Rapid Production of Accurate Multicomponent Embedded-Atom Method Potentials for Metal Alloys
The Department of Energy’s High Performance Materials Program and Its High Entropy Alloy R&D
The Role of Large Static Displacements in Stabilizing BCC High Entropy Alloys
The Use of CALPHAD Based Tools to Simulate Applications of HEA Materials
Thermal Stability of Refractory High Entropy Alloys at Intermediate Temperatures
Tuning of Lattice Distortion in High-entropy Oxides by High Pressure
Using alloy phase diagrams to predict formation of high-entropy alloy phases
Using Machine Learning, CALPHAD, and DFT to Accelerate Materials Development
ζ-Factor Microanalysis, a Quantitative Chemical Analysis Technique for the Characterization of High Entropy Alloys

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