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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Bulk Metallic Glasses XIV
Presentation Title On the Fracture Toughness and Fatigue Strength of Ni-based Glasses
Author(s) Bernd Gludovatz, Edwin H Chang, Mingxi Zheng, Jong H Na, Maximilien E Launey, Marios D Demetriou, William L Johnson, Robert O Ritchie
On-Site Speaker (Planned) Bernd Gludovatz
Abstract Scope The excellent combination of properties like high strength, low stiffness, and large elastic strain limits make bulk-metallic glasses (BMGs) candidate materials for many structural applications. One of the main drawbacks for their use in engineering fields are the often limited dimensions of casts of plates and rods and their somewhat expensive production costs. In terms of damage tolerance, BMGs now show reasonably high fatigue limits whereas strength and toughness behave generally mutually exclusive with fracture toughness values often unacceptably low (<10 MPa.m^1/2) when strength levels exceed 2 GPa. Here, we report on a cost-effective Ni-based BMG of 2.5 GPa strength that can be processed with a centimeter-thick cross section and shows a plane strain fracture toughness of ~27 MPa.m^1/2. We compare the glass’ fatigue endurance limit in both air and 0.5M NaCl corrosive environment to another Ni-glass with higher Cr-content and other BMGs like Vit105.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


'Crystal Genes' in Metallic Liquids and Glasses
A Comprehensive Study of the Deformation Mechanism of Amorphous CuZr/Nanocrystalline Cu Nanolaminates via Integrated Experiments and Computations
A High-Throughput Approach to Identifying Metallic Glasses and Characterizing Their Mechanical Properties
A Strategy Towards Decreasing the Cost of Humanoid Robotics Utilizing Bulk Metallic Glasses (Part 1)
A Study on the Formation and Propagation Behavior of Shear Bands in Metallic Glasses
Accurate Peak Prediction of Pair Correlation Functions in Metallic Glasses
An Assessment of Ternary Bulk Metallic Glasses: Correlations between Structure, Glass Forming Ability & Stability
Atomic Dynamics in La-based Metallic Glasses by X-ray Photo Correlation Spectroscopy
Atomistic Study on Pressure-promoted Thermal Rejuvenation of Metallic Glass
Buckle Modes: A Simple Model for the Thermodynamics of Configurational Excitations in Metallic Glass Forming Liquids
Bulk Metallic Glasses Composites Produced via Severe Plastic Deformation – Microstructure and Mechanical Properties
Combinatorial Assessment of Metallic Glasses Using High-throughput Characterization
Controllable Thermal Stress and Micro-cracking in Processing Metallic Glasses by Selective Laser Melting
Critical Cooling Rate versus Critical Heating Rate in BMG-forming Alloys
Crystallization Behavior and Soft Magnetic Properties of (Fe36Co36B19.2Si4.8Nb4)99.5Cu0.5 Bulk Metallic Glass
Deformation Behavior of Metallic Glasses with Shear Band Like Atomic Structure: A Molecular Dynamics Study
Deformation Induced Heterogeneities in Metallic Glasses
Degradation Behavior of Bulk Metallic Glasses – Corrosion, Erosion, and Wear
Design and Development of Catalytic Amorphous Metals for Energy Conversion and Environmental Remediation
Discovering a Unique Thermal-driven Glass-glass Transition in Metallic Glass
Dynamic Atomic Cooperativity in Liquids and Glasses
Dynamics of Inherent Structure Energy Evolution in Metallic Glasses
Early Plasticity in Metallic Glasses
Effect of Sm Micro-alloying on the Mechanical Behavior and Crystallization Kinetics of Cu-Zr-Al BMGs
Effect of Stress on Crystallization Pathways in Metallic Glasses
Electronic Mechanism of Ductile-to-Brittle Transformation in Amorphous Calcium-based Alloys
Entropy Contributions in Strong and Fragile Metallic Glasses
Exploring the Spectrum of Mechanical Properties and Structural States in Metallic Glasses via Physical Vapor Deposition
Fabrication and Characterization of Roll Bonded, Laminated Bulk Metallic Glass/Metal Composites
Flexibility Volume as a Universal Structural Parameter to Quantitatively Predict Metallic Glass Properties
Formation and Properties of Biodegradable Mg-Zn-Ca-Sr Bulk Metallic Glasses for Biomedical Applications
Hierarchical Heterogeneities in Bulk Metallic Glasses
High Pressure, High Temperature Structural Study of Zr-based Glasses
Homogeneous Plastic Deformation of Metallic Glasses at Room Temperature
Improving the Fracture Toughness of Bulk Metallic Glasses by Thermomechanical Treatments
Improving the Glass Formation and Mechanical Behavior of Ni-free TiZr-based Bulk Metallic Glasses by Ga Additions
In-situ Synchrotron High-energy X-ray Diffraction Study of an Amorphous/Nanocrystalline NiTi Alloy during Recrystallization Process
Interface-Mediated Monatomic Metallic Glasses Formation Through Ultrafast Liquid Quenching
Inverse Notch Effect in Bulk Metallic Glasses
Investigation of the Stability of Newtonian Viscous Flow in Various Metallic Glass Systems
L-24: Deformation Behavior of a Ti-Zr-based Bulk Metallic Glass Matrix Composite
L-25: Effect of Annealing on the Magnetic Properties of Fe-based Amorphous Alloys
L-26: Micro-imprinting of High Strength Hf-based Bulk Metallic Glass Using by Athermal Method
L-27: Phase Separation in Cu47.5Zr48Al4Co0.5 Bulk Metallic Glass
L-28: Solid-state Amorphization of W-containing Alloy Powders
L-30: The Effects of Nitrogen Addition on the Magnetic Properties of Fe-based Amorphous Alloy
L-31: Thermal Induced Reversible Devitrification in Zr-Pt Binary Alloy
L-33: Extending the Realm of Glass Transition Temperature and Strength Relation in Metallic Glasses
L-34: Viscous Flow Densification during Spark Plasma Sintering of Fe Based Amorphous Alloy Powder
L-35: Comparative Analysis of the Tribological Behavior of Hf-BMGs and Hf-crystalline Alloys
Manufacturing of Cu-based Metallic Glasses Matrix Composites by Spark Plasma Sintering
Manufacturing of Metallic Glasses by Rapid Discharge Forming
Material Behavior in Micro Milling of Zirconium based Bulk Metallic Glass
Medium-range Structure and Glass-forming Ability of Metallic Glasses
Minimizing Losses in Ferromagnetic Metallic Glass Power Transformers
Modeling Deformation in Amorphous Materials via Evolution of Discrete Shear Transformation Zones
Modeling Slips in Solids and Comparison to Experiments
Modeling the Mechanics Responsible for Strain Delocalization in Metallic Glass Matrix Composites
Modelling and Experimental Assessment of Residual Stress Distribution in Zr-based Bulk Metallic Glass
Nanoscale Crystallization in Bulk Metallic Glasses and Its Implications on Glass-forming Ability
New Soft Magnetic FeCoNi(P, C, B) High-entropy Bulk Metallic Glasses with Large Supercooled Liquid Region
Nucleation and Metastable Phase Formation Studied via Calorimetry at Ultrafast Heating and Cooling Rates
On the Fracture Toughness and Fatigue Strength of Ni-based Glasses
On the Proper Determination of Power Law Exponents for Slip Statistics Using Experimental Data from Bulk Metallic Glasses
Plasticity--toughness Connections in Ductile Metallic Glasses
Plasticity of In-situ Ti-based Metallic Glass Matrix Composites
Pressure-induced Structural Change in Liquid Eutectic Ga85.8In14.2 Alloy
Pressure Dependence in Mechanical Properties of Metallic Glasses near the Glass Transition
Production of Zirconium Based Bulk Metallic Glass Sheet
Property Enhancement of BMG Based Nanoglasses Prepared by RF Sputtering of Thin Films
Quasi-Elastic Neutron Scattering and Machine Learning Studies of the Arrhenius Crossover Phenomenon and Its Correlation with the Kinetic Fragility in Glass-Forming Metallic Liquids
Rapid Degradation of Azo Dye by Co-Si-B Metallic Glass Powder
Real-time Studies of the Evolution of Atomic Structures of Bulk Metallic Glasses
Rejuvenation of Metallic Glasses
Revealing Homogeneous Plastic Deformation in Ti-based Metallic Glass Composites with Dendrites under Tension
Shear Banding of Metallic Glass under Multi-axial Stress States by Shear Transformation Zone Dynamics Simulationszone Dynamics Simulations
Structural Rejuvenation in Bulk Metallic Glasses with Varying Fictive Temperature
Structural Stabilities and Mechanical Responses of Ni-transition Metal Binary Glass-forming Alloys
Structure-property Relationships in Nanoporous Metallic Glasses
Structure Modulation and Brittle-to-ductile Transition in Metallic Glasses
Subtle Influence of the Factors on Mechanical Properties of Nanoscale Metallic Glasses
The Corrosion and Wear Behaviors of a ZrCuNiAl Bulk Metallic Glass in Simulated Groundwater
The Development, Manufacturing and Testing of New Robotics Gearbox Enabled by Bulk Metallic Glass (Part 2)
The Early Stages of Shear Band Development
The Effect of Phase Transformation on the Magnetocaloric Effect in Co-based Heusler Alloys
The Multiple Shear Bands and Plasticity in Metallic Glasses: An Origin from Stress Inhomogeneity
The Origin of Alloy Compositions
The Origins of Excellent Soft Magnetism in Fe65.5Cr4Mo4Ga4P12B5.5C5 Bulk Metallic Glasses
The Statistics of Thermally Activated Structural Excitations in a Model Amorphous Solid
Thermal and Mechanical Properties of Deformation-Induced Amorphous Phase in Zr-Cu-Al Alloys
Thermal Structural Evolution of Zr-based Metallic Glasses and Liquids Investigated by High Energy X-ray Diffraction and Inelastic Neutron Scattering
Thermophysical Properties of the Zr-based Bulk Metallic Glass Forming Alloy VIT106a in the Liquid Phase on the Ground and on ISS
Thin Film Metallic Glasses: Novel Diffusion Barrier Materials for Solar Cell and Electronic Packaging Applications
Tracing the Pathway of Metallic Liquids to Vitrification
Universality of Slip Avalanches in a Ductile Bulk Metallic Glass

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