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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Energy Materials 2017: Materials for Oil and Gas and AMREE Oil & Gas III
Presentation Title The Four R's to Promote Ductility of Metallic Glasses
Author(s) Evan Ma
On-Site Speaker (Planned) Evan Ma
Abstract Scope Metallic glasses boast high strength, but their low ductility has been a major concern. Taking a structural perspective and citing selected examples, in this talk we advocate purposely enhanced structural inhomogeneities, in an otherwise compositionally uniform and single-phase amorphous alloy, to promote distributed plastic flow. Four current tactics (the 4R’s) to improve deformability are highlighted, from the standpoint of structural heterogeneities that can be tailored in the monolithic glassy state. These include the retention of highly rejuvenated glass structures, coupled with restrained propagation and even nucleation of shear bands, and possibly relocation when necessary to compositions where the internal structures are amenable to being tuned to proliferate GUMs (geometrically unfavored motifs). These strategies point the way to improvements in plasticity and toughness, and occasionally even tensile ductility with necking that is unusual for glasses at room temperature. (See our review in Mater. Today published online April 30, 2016).
Proceedings Inclusion? Planned: Stand-alone book in which only your symposium’s papers would appear (indicate title in comments section below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Combined Micromechanics/Materials Science Approach to Understanding High Temperature Hydrogen Attack
Accelerated Materials Innovation – Technology Enablers for Enhanced Reliability, Efficiency and Production in Oil & Gas
Advanced Duplex Stainless Steels for Extreme Oil-Gas Environments
Anisotropic Behaviors for X100 High Grade Pipeline Steel under Stress Constraints
Bulk Nanomaterials with Superior Strength and Thermostability
Co-relation of Microstructural Features with Tensile and Toughness Characteristics of X70 Grade Steel
Development and Applications of New Generation Ni-containing Cryogenic Steels in China
Development of Cr-based Duplex Alloy for Corrosive Environments II: Evaluation of Corrosion Resistance in Boiling Sulfuric Acid
Development of Cr-based Duplex Alloy for Corrosive Environments I: Evaluation of Mechanical Properties and Pitting Potential
Development of High-strength and High Corrosion-resistant Ni-Cr-Al Alloy for Drilling Tools
Development of Polymer-based Composite Coatings for the Gas Exploration Industry
Effect of Residual Stress on Aging Precipitation Behavior of Oil-grade Alloy 718
Effect of Severe Plastic Deformation (SPD) Surface Treatment on Corrosion Resistance and Environmental Cracking (EC) Susceptibility of Various Alloys
Failure Conditions for Individual Grain Boundaries in a Ni-base Alloy Embrittled by H
Gradient Materials: Microstructure, Texture and Properties
High Strength Alloys for Oil and Gas Drilling Applications
High Strength Nickel-based Alloys for HPHT Applications
High Temperature Shape Memory Alloys for Potential Applications in Oil and Gas Industry
Hydrogen-assisted Failure in Ni-base Superalloy 718 Studied under In-situ Hydrogen Charging: The Role of Localized Deformation in Crack Propagation
Hydrogen Embrittlement of High Strength Nickel-based Alloys in HP HT Applications
Immigration Trends in the Energy Sector and Options for Professionals
Interfacial Engineering for Efficiency Enhancements in Energy-Water-Food
Interfacial Engineering for Suppressing Mineral Scale Fouling
Investigation on the Weldability of High-strength Steels Used for Low Temperature Environment
Iron-based Amorphous Metals for Impact and Corrosion Resistance Applications: The Effect of Pressure and Current on Devitrification Kinetics
Mineral Scale Fouling Under Boiling: Fundamentals to Mitigation
Novel Cu-bearing Antibacterial Pipeline Steels for Microbiologically Induced Corrosion Control
Potential of Crystal Defects for Enhancing Bulk Functional Nanomaterials
Processing Aluminum 6061 by Equal Channel Angular Extrusion for Oil and Gas Applications
Research on the Pinpoint Controlling of CRA N08028 OCTG Microstructure and Properties
Scientific and Technological Foundations for Pilot Scale Production of Nanostructured Metals
Sensitivity Variation of Nanomaterials at Different Operating Temperature Conditions
Shell’s Game Changer - Delivering Disruptive Technologies through Partnership in Innovation
Stabilizing Nanostructures in Metals via Interface Architectures
Technological Innovation and Creative Destruction in the Energy Sector
The Four R's to Promote Ductility of Metallic Glasses
The Microstructural Origin of the Multifunctional Properties of Energy Metals
The Research and Development of Low Cost 21.4mm/22mm X80 Hot Rolled Strip Based on Austenite Grain Condition Optimizating
The World of Water Reactive or Degradable Alloys: Oilfield, Defense, Bio-Medical and Beyond

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