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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Innovations in High Entropy Alloys and Bulk Metallic Glasses: An SMD & FMD Symposium in Honor of Peter K. Liaw
Presentation Title Melting of Metallic Glasses in the Limit of Ultra-high Liquid Fragility
Author(s) William L. Johnson
On-Site Speaker (Planned) William L. Johnson
Abstract Scope The glass transition is commonly viewed as a dynamic transition involving a dramatic slowing of configurational rearrangements in the liquid state at deep undercooling. The question of whether an underlying thermodynamic transition exists has been the subject of long standing debate. Recently, both experiments and MD simulations reveal that metallic glasses exhibit first order melting behavior in the limit of ultrahigh fragility. The solid glass melts to a fluid liquid state in the same manner as a crystal melts. The origin of this behavior can be traced to the collapse of elastic rigidity of the solid glass. The experimental evidence for this first order thermodynamic glass transition will be presented and discussed.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


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Defect Dynamics and Microstructure Evolution in High Entropy Alloys
Ductility Improvement Methodologies in Metallic Glasses and High Entropy Alloys
Element Effects of CoCrFeNi-based High-entropy Alloys on Low-cycle Fatigue
Energy Dissipation and Damage Evolution in Irradiated Concentrated Solid Solution Alloys
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High Temperature Strength of Refractory Complex Concentrated Alloys
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Local Structure in Controlling Microstructure and Property of Lightweight High-entropy Alloys
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Mechanical Behavior of Additive Manufactured CoCrNi High Entropy Alloy at 298K and 210K
Mechanical Behavior of Transformative Complex Concentrated Alloys
Mechanical Modeling and Plasticity of Bulk Metallic Glasses
Melting of Metallic Glasses in the Limit of Ultra-high Liquid Fragility
Metallic Glasses: From Coatings to Their First-ever Nanotube Arrays
Metastability Engineering in Aged Non-equiatomic High Entropy Alloys with Heterogenous Structure Towards Superior Strength-ductility Synergy
Microstructure Evolution with Temperature in the Al-rich High-entropy Alloys
Modeling and Analysis of Serrated Flows in High Entropy Alloys: Past, Present, and Future
Nature of Metallic Bonding in Bulk Metallic Glasses and High Entropy Alloys
Portevin-Le Chatelier Mechanism in Face-Centered-Cubic Metals from Low to High Entropy
Radiation Effects in High Entropy Alloys and Bulk Metallic Glasses
Rejuvenation by Fatigue
Research on Bulk Metallic Glasses and High Entropy Alloys
Serrated Flow and Beyond: Strain Localization in Metallic Glasses
Serrated Yielding in an Iron-chromium-aluminum (FeCrAl) Alloy Tubing
Slip Avalanches in Amorphous and Crystalline Materials
Structure Modulation for Plasticity Enhancement of Metallic Glasses
Structures and Mechanical Properties of Multiphase High-entropy Alloys at Room and Elevated Temperatures
Tensile Behavior of BCC Refractory High-entropy Alloys
The Structure and Deformation Behaviors of Annealed Cu-Zr Metallic Glasses
Tracer Diffusion in High-entropy Alloys: the Impact of Constituents and Composition

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