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Meeting 2015 TMS Annual Meeting & Exhibition
Symposium Dynamic Probing of Microstructure Evolution in Nanostructured Materials
Sponsorship TMS Materials Processing and Manufacturing Division
TMS: Nanomechanical Materials Behavior Committee
Organizer(s) Nan Li, Los Alamos National Laboratory
Caizhi Zhou, Missouri University of Science and Technology
Dan Gianola, University of Pennsylvania
Marc Legros, CEMES-CNRS
Scope Microstructure evolution occurs in nanostructured materials by a wide range of mechanisms. Those strongly impact their mechanical behavior under external loading. Significant advances in dynamic in-situ electron microscopy (including both SEM and TEM) have recently emerged. They represent a new opportunity to investigate the response of nanostructured materials under various external stimuli that can be mechanical, thermal, electrical, irradiative and/or corrosive. The information provided by dynamic in-situ electron microscopy, in combination with materials modeling and simulations, will be the scientific underpinning to design nanostructured materials with tailored mechanical response for future engineering applications. This symposium aims to bring together researchers in the field of experimental and computational materials mechanics with a focus on understanding the mechanical behavior of materials at micro/nano scales.

The subject areas of the symposium include, but are not limited to:
➢ Experiments – In-situ mechanical test at micro/nano scales; In-situ microscopy under radiation and corrosive environments; new In-situ techniques/novel instrumental designs;
➢ Modeling and Simulations – atomistic modeling and simulations, phase field modeling, dislocation dynamics simulations, crystal plasticity modeling and simulations;
➢ Deformation mechanisms – dislocation plasticity, twinning, phase transformation, fatigue and fracture.
Abstracts Due 07/15/2014
Proceedings Plan Planned: A print-only volume
PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE

Fatigue Induced Microstructure Evolution in Nanotwinned Cu and thin Films in the HCF and VHCF Regime
Improving the Controllability of Plastic Deformation of Submicron Sized Aluminum by Introducing Alloy Atoms
Investigation of Deformation Twins Using a DFT-Informed 3D Phase Field Dislocation Dynamics (PFDD) Model
Radiation Effects on Nanomechanics of Low Dimensional Carbon Systems
A Mesoscale Model of Plasticity: Dislocation Patterns, Size and Stochastic Effects
Approaching Stabilized Plasticity in Ultrahigh Strength Crystals: In-Situ TEM Study of Submicron Al Pillars
B142: Fabrication and Characterization of (100)-Oriented Single Crystalline Cu Pads and Lines
B143: Crystal Plasticity Analysis of Deformation Behavior of Nanocrystalline Nickel
B144: Deformation Mechanisms in Cu/Nb Nano Layers as Revealed by Synchrotron X-ray Micro Diffraction and In Situ Nano Mechanical Testing Inside an SEM
B145: Understanding the Strength and Plastic Deformation of Al–TiN Nanolayered Composites by 3-D Dislocation Dynamics Simulations
Basic Criteria for Formation of Growth Twins in High Stacking Fault Energy Metals
Characterization and Modeling of Transformation-Induced Microstructure Evolution in NiTi Microcrystals
Continuous Stiffness Testing – How Dynamic Indentation Testing Influences the Mechanical Properties
Coupled Imaging, Structural and Mechanical Characterization of Nanomaterials
Deformability of UltaHigh Strength Metal-Ceramic Cu/TiN Nanolayered Composites
Deformation Mechanisms in Nanocrystalline Metals: Influence of Grain Boundary Topology and Loading Conditions
Determining the Strength of Individual Phases within Nanolayered Composites
Dynamic TEM Observations of Grain Rotation via Climb of Grain Boundary Dislocations in Nanocrystalline Platinum
Effect of Defect Density on the Size Dependent Fracture Strength of Silicon Carbide Nanowires
Effects of Grain Refinement on Friction and Wear of Metals
Exploring the Role of Interfaces in Metal-Ceramics Composites from Atomic to Continuum Scales
Grain Boundary Segregation and Thermal Stability of Nanocrystalline Alloys: A Phase Field Approach
Impurity Effects on Grain Growth and Mechanical Behavior in Nanocrystalline Thin Films
In-Situ High Resolution TEM on Deformation Process in Angstrom Scaled Twins
In-Situ Irradiation-Transmission Electron Microscopy (TEM) Experiments on Ultrafine- and Nanocrystalline- Grained Tungsten Materials Prepared by Severe Plastic Deformation
In-Situ Study of Oxygen’s Contribution to Mechanical Strengthening in Titanium
In-situ TEM Fatigue and Stress Relaxation in Ultrathin Nanocrystalline Films
In-Situ TEM Studies of Fracture in Nanoscale Multilayer Films
In Situ Electrochemical-Microcompression Test: An Investigation of Dislocation-Grain Boundary Interaction in Presence of Hydrogen
In Situ Electromechanical Characterization of ZnO and Si Nanowires
In Situ Observations of Deformation Mechanisms in Nanocrystalline Metals
In Situ Studies of Solid Solution Strengthening
In Situ TEM Characterization of Dislocation Nucleation and Multiplication Mechanisms
In Situ TEM Experiments and MD Simulations of Grain Boundary Mediated Plasticity
Indentation-Induced Grain Growth and Deformation in Nanocrystalline Nickel
Influences of Triple Junctions on Stress-Assisted Grain Boundary Motion in Nanocrystalline Materials
Lattice Dislocation Nucleation from Nodes of the (111) Semi-Coherent Interfaces
Local and Transient Strain Mapping during In-Situ Deformation in a TEM
Mapping Grains and Interface Networks in Atomistic Simulations: Tracking Dynamic Nanocrystalline Microstructures
Mechanical Behavior of Nanotwinned Metals
Mesoscale Modeling of Microstructure Evolution in Graded Nanocrystalline Materials
Modeling Plasticity of FCC/BCC Micro-Pillars under Torsion Using Dislocation Dynamics
Plastic Behavior of Single Crystal Gold Pillars up to the Micron Scale by Coarse-Grained Simulation
Quantitative In-Situ ACOM-STEM Analysis of Nanocrystalline Metals during Mechanical Straining and Heating
Rebound of High-Speed Dislocations to Initiate Deformation Twinning in Nanostructured Metals
Size Dependent Strain Rate Sensitivity of Submicron-Sized Single Crystal Iron and Aluminum Pillars
The Effects of Solutes on the Microstructures and Mechanical Properties of Nano-Twinned Ag Thin Films
The Fracture Properties of Gold Thin Films Investigated by Bulge Testing
Transmission Kikuchi Diffraction: Investigating Deformation, Elemental Segregation and Grain Growth in Nanostructured Materials
Unusual Structural Transition in Titanium and Molybdenum Induced by Plastic Deformation


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