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About this Symposium
Meeting MS&T21: Materials Science & Technology
Symposium Probing Defect Properties and Behavior under Mechanical Deformation and Extreme Conditions
Sponsorship TMS Nanomechanical Materials Behavior Committee
TMS Nuclear Materials Committee
TMS Mechanical Bahavior of Materials Committee
Organizer(s) Zhe Fan, Lamar University
Tianyi Chen, Oregon State University
Shijun Zhao, City University of Hong Kong
Mitra L. Taheri, Johns Hopkins University
Yury Osetskiy, Oak Ridge National Laboratory
Scope With the development of modern electron microscopy, advanced characterization instruments, and computational technologies, scientists and engineers are able to characterize defects in sub-angstrom scale, simulate defect evolution across multi-length and time-scale, and draw direct correlations between defect evolution and material properties under conventional and harsh environments. In situ testing (under electron microscopes, synchrotron, neutron) further enables the direct observation of defect behavior under both quasi-equilibrium and far-from equilibrium conditions. The state-of-the-art knowledge in fundamental thermodynamic and kinetic properties of defects has greatly motivated and advanced novel designs of materials with superb mechanical performance and damage tolerance.

This symposium will focus on understanding defect properties and behavior under mechanical deformation and extreme conditions through advanced experimental and simulation techniques. A variety of materials are considered, including conventional metals and alloys, functional ceramics, and emerging novel materials such as low-dimensional materials, high-entropy alloys, and materials fabricated by advanced manufacturing. Understanding the defect-property relationship in these materials will significantly facilitate their applications in various fields. Specifically, this symposium aims to cover the following themes:
1. Multi-scale experiments and modeling of defect evolution
2. In situ analysis of defects under mechanical deformation and extreme conditions (SEM, TEM, synchrotron, etc.)
3. Defect properties and behavior in emerging materials (HEAs, NFAs, 3D printed materials, etc.)
4. Advanced characterization of physical and chemical properties of defects (APT, 4D STEM, etc.)
5. Defect engineering for optimal material performance
Keywords: Defects, Mechanical Behavior, Extreme conditions, Simulation and Modeling

Abstracts Due 04/15/2021
Proceedings Plan Undecided
PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE

A Statistical Approach for Atomistic Calculations of Vacancy Formation Energy and Chemical Potentials in Concentrated Solid-solution Alloys
Automated Defect Detection in Electron Microscopy with Machine Learning
Defect Absorption at Grain Boundaries: A Grain Boundary Structure Perspective
Defect Evolution and Nanomechanical Properties of Neutron Irradiated Austenitic Steels
Defect Properties and Deformation Mechanisms of Multi-component Intermetallics
Deformation Microstructure of Ferritic/Martensitic Steels after Spallation Neutron Irradiation
Designing Metal and Amorphous Ceramic Composites for Extreme Conditions
Effects of Annealing and Ion Irradiation on Helium Implanted NiCo and NiFe Concentrated Solid-solution Alloys
Effects of Cr On 1/2<111> to <100> Loop Transformation in Concentrated Fe-Cr Alloys under Irradiation
Effects of Electronic Structures on Defect and Mechanical Properties of BCC Multicomponent Alloys
Elemental Partitioning Behavior among Precipitates in Alumina-forming-austenitic Stainless Steel
Enhanced Load Transfer and Ductility in Al-9Ce Alloy through Heterogeneous Lamellar Microstructure Design by Cold Rolling and Annealing
Estimating the Strengthening Parameters for Irradiated Alloys Using Atomic Scale Dislocation Dynamics
Imaging Electronic Properties of Ferroelectric Interfaces and Domain Walls via 4D STEM
Impact of Carbon Nanotube Defects on Fracture Mechanisms in Ceramic Nanocomposites
Impact of Grain Boundary and Surface Diffusion on Fission Gas Release in UO2 Nuclear Fuel Using a Phase Field Model
In-situ Studies on Radiation Response of a Nanotwinned Steel
In-situ Study of Failure Defects in Cu/Nb Nanolaminates under Deformation
In-situ Transmission Electron Microscopy of Intermittent Dislocation Activities and Deformation Mechanisms
Influence of Microstructural Variation on Spall Failure of Al7085
Investigating Deformation Mechanisms in Ni-based Superalloys with Compact γ'- γ" Coprecipitates
Irradiation-induced Self-organization of the Microstructure in Irradiated Alloys and Its Influence on Mechanical Properties
Irradiation Defects and Strain-induced Martensitic Transformations
Irradiation Response of FCC and BCC Compositionally Complex Alloys Using In-situ and Ex-situ Irradiations
Lattice Distortion in NbTaTiV and NbTaTiVZr Refractory High-entropy Alloys
Local Phase Transformation Strengthening in Ni-based Superalloys
Long-range One-dimensional Glide of Defect Clusters in Irradiated Materials: Experimental Evidence and Consequences
Machine Learning Driven In-situ TEM with Ion Irradiation
Measuring Elemental Segregation and Vacancy Migration Using Atom Probe Tomography
Mechanical and Microstructural Responses of Severe-plastic Deformed High Entropy Alloys under Irradiation
Multimodal and Multiscale Defect Characterization and Property Correlation for Nuclear Fuel and Materials via Advanced Post Irradiation Examination Techniques
Phase-field Modeling of Electromigration-mediated Void Migration and Coalescence under Mechanical and Current-stressing in Interconnect Lines
Probing Materials Properties across Scales with Scanning Diffraction in Transmission Electron Microscopy
Radiation Enhanced Diffusion in Fe2O3 and Cr2O3
Studying Radiation Effects in Nuclear Fuels via Advanced Characterization and Modeling
Surprisingly High Irradiation-induced Defect Mobility in Fe3O4 as Revealed through In Situ Transmission Electron Microscopy
Survey of Defect Absorption Effects in Grain Boundaries
Switching the Fracture Toughness of Single Crystal ZnS by Light Irradiation
Synchrotron High-energy X-ray Studies of Nuclear Structural Materials: Deformation and Additive Manufacturing
The Effects of Sample-preparation-induced Defects on the Mechanical Properties of Single Crystal Aluminum Nano-pillars
The Impact of Elastic Anisotropy on Hydride Morphology in Zirconium
The Role of Anisotropy on the Defect Self-organization in Metals under Irradiation
The Role of Interfaces in Mechanical Response and Radiation Resistance of Ceramics
Ultra-high Strength and Plasticity Mediated by Partial Dislocations and Defect Networks


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