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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Defects and Interfaces: Modeling and Experiments
Sponsorship TMS Materials Processing and Manufacturing Division
TMS: Nanomechanical Materials Behavior Committee
Organizer(s) Jian Wang, University of Nebraska-Lincoln
Amit Misra, University of Michigan
Peter Martin Anderson, Ohio State University
Blas P. Uberuaga, Los Alamos National Laboratory
Xinghang Zhang, Purdue University
Scope This symposium will focus on modeling, experimental methods, and their integration to understand atomic structures of defects and planar interfaces in crystalline solids, with a focus on the mechanical and physical behavior dominated by defect-interface interactions, including fundamental understanding of non-linear behavior at dislocation cores, interfaces, and crack tips. Response of materials to extreme conditions of high stress, irradiation, and embrittlement (e.g., due to helium, hydrogen, etc.) driven by defects and interfaces will be highlighted.

The symposium will be partially a tribute to the memory of TMS Fellow Richard (Dick) G. Hoagland who passed away in September 2022 and made seminal contributions to this topical area in his career spanning nearly six decades. The symposium is planned as 4 sessions (2 days) in Dick’s memory and another 4 sessions (2 days) for more general topics.

Symposium topics include, but are not limited to:

• Characterization and modeling of atomic structures of dislocations and grain/interphase Boundaries
• Characterization and modeling of dislocation-interface interactions
• Multiscale characterization of interface-dominated deformation and fracture mechanisms
• Multiscale modeling of interface-dominated mechanical behaviors
• Nanomechanics

Abstracts Due 07/15/2023
Proceedings Plan Planned:

A Self-consistent Solution for Diffusion Creep Behavior of Multiphase Polycrystalline Materials
Ab Initio Investigation of the Screw Dislocation-hydrogen Interaction in BCC Tungsten and Iron
Alloy Effects on Grain Boundary Kinetics and Disconnection Nucleation
Atomic-scale Analysis of Chemistry at Lattice Defects
Atomic Structure and Defect-interactions at Semi-coherent Metal/Oxide Interfaces
Atomistic Simulation of Hydrogen-defect Interactions in Palladium Nanoparticles Across Multiple Time Scales
Beyond Cu-Nb Interfaces: The Materials Science Behind
Beyond Defect Counting
Characterization of Implanted He during the Annealing of Co-Deposited Cu-W Nanocomposites
Computational Studies of Oxidation-induced Grain Boundary Embrittlement in Nickel
CRSS Determination in α-Titanium: Skewed Dislocation Core Structures
D-24: 3D Discrete Dislocation Dynamics Simulations of Multiple Spiral Dislocation Sources
D-25: In-situ Characterization of Martensitic Phase Transformation Interfaces in CuAlNi during Mechanical Cycling Using Dark Field X-ray Microscopy
D-26: Influence of Mn-Ni Precipitates on Dislocation Glide in Reactor Pressure Vessel Steels
D-27: Influence of Void Shape on the Propagation of Cracks in Energetic Materials
Deformation of Ti Polycrystals from 3D Diffraction Contrast Tomography Data: Experiments and Simulations
Dislocation - Interface Interactions: Slip Transmission, Interface Sliding, and Polycrystal Plasticity
Dispersive Shear Bands on the Surface of Layered Heterostructured Materials
Elucidating Grain Boundaries in Irradiated FeCr Alloys Using Multiscale Modeling and High-resolution Characterization
Evolution of Disorder at Epitaxial Fe3O4 / Cr2O3 Interfaces under Irradiation
Exploring the Interplay between Disconnections and Grain Boundary Facet Junctions
Finite-deformation Sharp Interface Model for Void Evolution Under Irradiation
First Principles Study on the Segregation of Metallic Solutes and Non-metallic Impurities in Cu Grain Boundary
From Anti-Arrhenius to Arrhenius Behavior in a Dislocation-obstacle Bypass: Atomistic Simulations and Theoretical Investigation
Grain Boundary Doping in Magnesium Aluminate Spinel Nanoceramics for Improved Toughness
Grain Boundary Phase Transformations in Segregated Metallic Alloys
Grain Boundary Softening from Stress Assisted Helium Cavity Coalescence
High-throughput Prediction of Defect Formation and Migration at Misfit Dislocations in Mismatched Perovskite Oxide Heterostructures
High Temperature In Situ TEM Characterization of Metal-oxide Interfacial Deformation: The Importance of Interfacial Line Defect Character
Hydrogen Induced Transformation of Dislocation Core in Fe and Its Effect on Dislocation Mobility
Influence of Thick 3-dimensional Interfaces on Deformation of Metallic Nanolayered Composites
Integrating Atomistic-to-Microscale Simulations with Experiments for Understanding Slip Transfer in Heterogeneous Metallic Materials and Solid Oxides
Interfacial Fracture Energy Measurements of Ceramic/Metal Interfaces Using Novel Bending Geometries
Investigating Atomic Defect Structures and Behaviors in High Throughput
Investigating Effect of Interfacial Solute Partitioning on Strength of Nanocrystalline Alloys
Investigating the Mechanical Effects of Twin Boundaries and Heterophase Boundaries through In Situ Mechanical Testing
Lattice Dislocations in High Angle Grain Boundaries
Layer Stability in Immiscible Interfaces under Heavy Ion Irradiations
Linear Complexions in FCC Alloys and Their Impact on Mechanical Properties
Mapping Stacking Fault by Four-dimensional Scanning Transmission Electron Microscopy (4D-STEM)
Mechanical Behavior of Nanotwinned Al Alloys
Mechanical Properties of Cu-Al – Al2O3 Nanolaminates
Mechanics of Symmetric and Asymmetric Grain Boundary Migration with Phase Field
Mechanistic-Design of Multilayered Metal-Metal and Metal-Ceramic Nanocomposites for Tunable Strength and Toughness
Microstructural and Nanomechanical Characterization of Ti/Nb Nanolayered Materials Containing Thick 3D Interfaces
Microstructural Induced Defects and Failure Modes in Crystalline Materials
Migration Velocities of Intergranular He Gas Bubbles Under Thermal Gradients in Fe by Phase-field Modeling
Molecular Dynamics Study of Hydrogen Effect on Screw Dislocation Motion and Their Interaction
Nanoscale Vacancy Mapping in Metals by Four-dimensional Scanning Transmission Electron Microscopy (4D-STEM)
Physical Properties of Accumulative Roll Bonded Cu/Nb Nanolamellar Composites
Plastic Co-deformation of Aluminum and Silicon at Nano-scale
Quantifying High-pressure Fe Recrystallization Kinetics Using In Situ Synchrotron X-ray Multi-Anvil Compression
Role of Residual Dislocation Burgers Vector Magnitude and Mobility on Grain Boundary Slip Transfer in Aluminum
Slip-grain Boundary Interactions in Magnesium Alloys for Improved Strength and Ductility
Solubility and Short Circuit Diffusion of BCC Transition Metals in Cu Grain Boundaries
Studying Grain Boundary Regions in Polycrystalline Tantalum Using Spherical Nano-indentation
Synergistic Effects of Defects and Microstructure on Fatigue Crack Initiation in Additively Manufactured Materials
The Effect of System Size and Interatomic Potential on Non-Arrhenius Boundary Migration of Incoherent Twin Grain Boundaries in Nickel
The Effects of Nitrogen on Defect Evolution in Tempered Martensitic Steels
The Role of Chemical Disorder on Stability of Grain Boundaries in Spinels
Twin Density and Twin Thickness Evolution in Sputtered Al-Mg Alloy
Understanding Defects, Interfaces, and Their Collective Dynamics
Understanding the Interface Strain Induced hcp→bcc Phase Transformation in Nanolaminate Mg
Void Nucleation in a through Silicon via (TSV): Unraveling the Role of Tilt Grain Boundaries through Atomistic Investigation
Work Hardening in Colloidal Crystals

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