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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Deformation Induced Microstructural Modification
Presentation Title Nanotwinned Titanium with Ultimate Strength-Ductility Synergy
Author(s) Shiteng Zhao, Ruopeng Zhang, Qin Yu, Robert Ritchie, Andrew Minor
On-Site Speaker (Planned) Shiteng Zhao
Abstract Scope The pursuit of both high strength and ductility in structural materials has taken many different approaches over the years, from microstructural control to complex alloying chemistry. It has been demonstrated that the strength and ductility of alloys can be simultaneously improved with a nanotwinned microstructure. Traditional method to achieve this goal is through electrodeposition, which is only applicable for certain materials and not easily scalable. Here we show a method that achieves ultra-high strength and ductility in pure Ti at both ambient temperature and 77 K, without the need for any additives and uses a process that is easily scalable to bulk production for parts and components. The nanotwin network can be engineered into coarse grained titanium by a carefully designed cryo-mechanical processes. Additionally, it is demonstrated that the nanotwin structure is thermally stable up to 873 K, which is beyond the temperature requirements for many extreme loading environments.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A First Principles Criterion for Microstructure Evolution in Deformation Twinned FCC Materials
Analysis of Al 6061 and Mild Steel Joints from Rotary Friction Welding
Cyclic deformation and fatigue behavior of 316L stainless steel processed by surface mechanical rolling treatment
Deformation-driven Grain Growth Studies in AZ31B
Deformation at a single precipitate using a nanocube model system
Deformation Induced Precipitation (DIP) in Light Alloys: Theory and Experiments
Effect of Cryogenic Equal Channel Angular Pressing on Mechanical Behavior and Microstructure of Pure Copper
Effect of High Pressure Torsion processing of Nb and Nb-alloys on the evolution of microstructure and texture
Effect of Loading Path on Grain Misorientation Evolution in Polycrystalline Al under Large Deformation
Evolution of Mechanical Properties and Microstructure in Accumulative Roll Bonded FCC/BCC Metallic Composites
Extreme Shear-Deformation-Induced Modification of Defect Structures and Hierarchical Microstructure in Immiscible Alloy
Fabrication of Ultrafine Grained Ferritic Steels by Combining Dynamic Transformation and Dynamic Recrystallization
Fatigue Life Enhancement in Alpha/Beta Ti-6Al-4V after Shot Peening: An EBSD and TEM Crystallographic Orientation Mapping Study of Surface Layer
Forming Textured Uranium Plate with Digital Image Correlation
Grain Boundary Segregation in Nanocrystalline Alloys: Multicomponent, Anisotropy, and Stress Effects
Grain Refinement and Bimodal distribution of precipitates in Al 6xxx and 7xxx alloys during ShAPE (Shear Assisted Processing and Extrusion)
Harnessing Thermomechanical Processing to Influence Texture in ARB Cu/Nb Composites
Hierarchical Microstructure in Shear Bands of Pure Titanium
High Pressure Torsion Processed Maraging steels: Microstructure and Mechanical Behaviour
In-situ analysis of microscale deformation and fracture in severely deformed polycrystalline tungsten
In Situ Analysis of Microstructural Evolution of Metallic Alloys under High Speed Rotational Shear Deformation
Incremental Equal Channel Angular Pressing as a Method for Manufacturing High Strength and High Conductivity Copper Rods
Influence of Deformation on Microstructure of Al4Si and Cu4Nb Alloys During Friction Stir Processing: A Multi-modal Microstructural Characterization Study
Influence of grain boundaries on grain rotation during plastic deformation of bicrystals
INFLUENCE OF SHEAR ROLLING ON MICROSTRUCTURE AND PROPERTIES OF LOW-DENSITY STEELS
Investigation of path dependent microstructural evolution in Cu-Nb system processed via friction consolidation
Investıgatıon of Mechanıcal Propertıes and Microstructral Valuation Under Dıfferent Heat Treatment Parameters of Aa6060 Alloy Used in Crash Boxes
Low Temperature Superplasticity in Al 5083 Produced by Accumulative Roll Bonding
Mg-Fe bonded Interface using FaST
Microstructural Changes in Nanotwinned Metals under Various Deformation Modes
Microstructural Evolution and Deformation Mechanisms in Segregation-Engineered Nanocrystalline Al Alloys
Microstructure-Based Modeling of Impact-Induced Plastic Deformation
Modeling the bonding and structure of non-metallic inclusions within a nickel matrix during forging
Molecular Dynamics Simulations of Defect Structure Evolution under Shear Deformation in Polycrystalline Al
Nanotwinned Titanium with Ultimate Strength-Ductility Synergy
Optimization of Continuous Casting Products and High Aluminium-Magnesium Alloys Utilization in Automotive Industry Applications
Phase evolution in two-phase alloys during severe plastic deformation
Probing Microstructural Evolution in Deformation with Electrons and X-rays
Quantification and mechanism classification of deformation-induced damage using deep learning
Synchrotron X-Ray Probing Dynamic Structural Change of Materials under Shear Deformation by High-Speed Rotational Diamond Anvil Cell
Tailoring the mechanical performance in novel Zn-Ag-Mg alloy processed by cold plastic deformation processes
The Effect of Processing Parameters on the Microstructure and Performance of Ni-Mn-Ga Alloys
The unusual effect of HPT processing on microstructure and mechanical properties in Zn-alloys
Thermomechanical Processing of Dilute Mg-Zn-Ca Alloys
Ultrasonic consolidation of powders, foils, and wires: Mechanics and unifying physical mechanisms
Utilizing severe plastic deformation to increase resistance to mixed-mode cracking in sharp edges

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