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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Bulk Metallic Glasses XIX
Presentation Title The Secondary Glass Phase in High Fragility PtCuP Bulk Metallic Glass
Author(s) Sydney L. Corona, Jong H. Na, Qi An, William A. Goddard, Konrad Samwer, William L. Johnson
On-Site Speaker (Planned) Sydney L. Corona
Abstract Scope Bulk Metallic Glasses (BMGs) – traditionally understood as a single-phase disordered glass – display a liquid-liquid (glass-glass) phase transition at the fragile limit in PtCuP glass. Thermodynamic studies on this system revealed a repeatable and well-defined latent heat at high Angell fragility, and the existence of this transition leads to a natural resolution to the Kauzmann Paradox. This work investigates the mechanical properties of the two liquid/glass phases through Vicker’s hardness and shear modulus, as well as structural and compositional analysis via Scanning Electron Microscopy (SEM)-paired Energy Dispersive Spectroscopy (EDS) and dark-field Transmission Electron Microscopy (TEM).
Proceedings Inclusion? Planned:
Keywords Characterization, Other,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A-14: A Molecular Dynamics Study of the Evolution of Medium-range Ordering in Liquid Metals
A-19: High Metalloid Containing Ti-based Metallic Glasses for Biomedical Applications
A-20: Investigating the Fundamentals of Incipient Spall via Bulk Metallic Glasses with Laser-driven Micro-flyer Experiments
A-22: The Mechanical Properties of Al-Tb Nanocrystalline Marginal Metallic Glass Composite
A Cavity-based Micromechanical Model for the Shear Band Failure in Metallic Glasses under Arbitrary Stress State
Amorphization of Si in Al-Cu-Si Ternary Alloy System with Liquid Quenching Process
Are Metallic Glasses Brittle or Ductile?
Assessment of Excess Entropy in Extremely Fragile Glasses
Atomic Cooperativity in Metallic Glass
Atomic Motion in Ultrastable Metallic Glasses
Atomic Structure of Bulk Metallic Glasses/Liquids Studied by Synchrotron-radiation X-ray Diffraction, Scanning Tunneling Microscopy and Ab-initio Molecular Dynamics Simulation
Bulk Intrinsic Heterogeneity of Metallic Glasses Probed by Meissner Effect
Chemical and Topological Frustration in Binary Metallic Glass Formation
Compression Experiments on Metallic Glass Specimens of Varying Size Differentiate between Models of Plasticity
Cryogenic Thermal Cycling of a Pd43Cu27Ni10P20 Bulk Metallic Glass
Crystallization of a Au-based Bulk Metallic Glass: Influence of the Initial Glassy State
Cu-Nb Metallic Glasses with High Hardness
Determining the Three-dimensional Atomic Structure of Metallic Glass
Evidence of Crystalline Phase Precursors within High-temperature Metallic Liquids and their Effect on Glass-forming Ability
Evolutionary Design of Machine-learning Predicted Bulk Metallic Glasses
Hall-Petch-like Relationship in Metallic Glasses
High-resolution Transmission Electron Microscopy Study of Rejuvenation in Bulk Metallic Glasses
Influence of Medium Range Ordering on the Deformation Behavior and Mechanical Properties of Metallic Glasses
Inside Glass Tormation: The Pathway of Metallic Liquids to Vitrification Monitored in Situ by Ultrafast High-energy Synchrotron X-ray Diffraction
Investigating the Structural Origin of the Change in Ductility of Zr-Cu-Co-Al Metallic Glasses Using 4-dimensional Scanning Transmission Electron Microscopy
Lab-scale Injection Molding of Bulk Metallic Glasses
Long-time Structural Evolution of a Metallic Glass at Elevated Temperature Measured by XPCS
Measuring Metallic Glass Viscosities over Wide Composition Ranges
Mechanisms of Strain-hardening in Metallic Glasses
Metallic Glacial Glass Formation by a First-order Liquid-liquid Transition
Microstructures and Mechanical Properties of Non-toxic TiZr-based BMG Foams with Customized Porosity for Bio-implant Application
Nature of the Medium-range Order Distinct from the Short-range Order in Metallic Liquids
New (Fe0.5Co0.5)71.64B19.104Si4.776Nb3.98Cu0.5 Bulk Glassy Alloy: A Comprehensive Time-resolved Synchrotron X-ray Study
Observation of the Invar Effect by In-situ X-ray Diffraction in Fe-based Bulk Metallic Glasses
On the True Stress-strain Curve of Metallic Glasses
Phenomenology of Viscosity and Transport in a Model Fragile Metallic Glass
Pressure Effects in Zr-based Super-cooled Liquids
Relaxation Dynamics in Glass Forming Alloys: Microscopic Nature, Timescales and Aging Effects
Shear Band Interactions in Bulk Metallic Glass Composites
Shear Bands in Metallic Glasses: Local Structure, Atomic Mobility and Relaxation Kinetics
Shear Fracture in Bulk Metallic Glass Composites
Size-dependent Freezing Kinetics of Bulk Metallic Glasses
Small-scale Deformation Behavior of Metallic Glasses and Their Composites
Statistical Analysis on Single Versus Successive Pop-ins in Nanoindentation Tests of Zr-based Bulk Metallic Glass
Strain-dependent Shear-band Structure in a Metallic Glass
Strength-controlled Fracture of Metallic Glass at the Micrometer Scale
Strength, Ductility and Elasticity of Metallic Glass Nanoparticles and Bulk Nano-glasses
Structural Influences on Glass Forming Ability in Mg-Ni-Y
Structural Origin of Ultrastable Metallic Glasses
STZ-vortex Unit – The Key to Understand and Control Shear Banding in Metallic Glasses
Surface Mobility of Metallic Glass Thin Films Controls Glass Phase Stability and Crystallization
Synchrotron X-ray Diffraction of Metallic Glass Rejuvenated under Triaxial Compression
Systematic Identification of Local Shear Events during the Plastic Deformation of Colloidal Glasses
The Secondary Glass Phase in High Fragility PtCuP Bulk Metallic Glass
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Unveiling the Local Atomic Arrangements and Short-circuit Diffusion in Shear Bands
X-ray Techniques to Study the Interplay of Short- and Long-range Structural Ordering in Zr and Pd Bulk Metallic Glasses
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