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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Coupling Experiments and Modeling to Understand Plasticity and Failure
Sponsorship TMS Materials Processing and Manufacturing Division
TMS Structural Materials Division
TMS: Advanced Characterization, Testing, and Simulation Committee
TMS: Integrated Computational Materials Engineering Committee
TMS: Mechanical Behavior of Materials Committee
Organizer(s) Michael D Sangid, Purdue University
Philip Eisenlohr, Michigan State University
Matthew P. Miller, Cornell University
Paul A. Shade, Air Force Research Laboratory
Scope This symposium celebrates new discoveries and advances in the exploration of the mechanical behavior of polycrystalline metals and alloys, while emphasizing a strong coupling between experiments and modeling approaches to address these problems. The deformation of solids – even under nominally “uniform” loading conditions - often involves gradients, due to various heterogeneities in the microstructure and anisotropic single crystal properties that govern mechanical behavior. Over the past decade, the application of advanced tools for the interrogation of materials at the mesoscale (aggregate of individual crystals) is revolutionizing mechanics. Concurrently, simulations have benefited from increased computational power, which enables the role of the microstructure in the mechanical behavior of solids to be captured and predicted with high accuracy and fidelity. The central theme of the symposium is a strong coupling between modeling and experiments; to accentuate this theme, we target research with the objective: (i) simultaneous modeling/experimental approaches, (ii) experiments that elucidate the need for specific models, (iii) modeling approaches to down-select the need for experimental testing, and (iv) modeling raw characterization data to reconstruct mechanical behavior.

The research addressed in this symposium has direct implications in accelerating advanced materials discovery and deployment, in concurrence with the Materials Genome Initiative and Integrated Computational Materials Science and Engineering. The main topics of the symposium are as follows:
- Individual and collective behavior of dislocations in dislocation mediated plasticity
- Grain interactions, leading to evolution of intra- and inter-granular stress and orientation heterogeneities
- Mesoscale performance response, including yield, strain hardening, fatigue, fracture, and creep

The symposium will offer 3-4 half-day sessions, and each session will have a strong integration between experimentalists and modelers. An effort will be made to schedule adjacent talks for collaborators working on the same project, to show synergy amongst techniques. To supplement these efforts and to enhance student involvement, this symposium will also offer a poster session following this theme, integration of poster presentations within the main sessions, and a prize for best student poster.
Abstracts Due 07/16/2017
Proceedings Plan Planned: Supplemental Proceedings volume

A Direct Connection between In-situ TEM and Dislocation Simulations
A Domain Decomposition Parallel Implementation of an Elasto-visco-plastic Fast Fourier Transform Micromechanical Solver with Spectral Database Constitutive Representation
A Survey of Several High-energy X-ray Diffraction Studies and Implications for Models of Polycrystal Plasticity
An Image Based Finite Element Model for Ni-based Superalloys Using a Two Scale Constitutive Model Accounting for Morphological Distributions of γ’ Precipitates
Annealing-detwinning due to Thermal Fluctuation of Incoherent Twin Boundary
Challenges with Virtual Sample Instantiation for Prediction of Strain Localization and Crack Initiation in Polycrystalline Ni- and Ti-base Alloys
Characterizing the Effects a Smooth Crystal Lattice Orientation Field Formulation Has on the Evolution of Intragrain Deformation
Comparison of Parameters Required for Computational Models for Modeling Heterogeneous Deformation in Titanium Obtained with Different Approaches
Concurrent Multi-scale Modeling: Towards a Procedure to Test Modeling Hypothesis at the Mesoscale
Continuum Dislocation Dynamics at Finite Deformation and the Path toward Localization and Failure in Metals
Coupled Experiment and Modelling to Study Grain Orientation and Interaction Effects. Part 2
Coupled Experiment and Modelling to Study Grain Orientation and Interaction Effects. Part 1
Coupled Intergranular and Transgranular Fracture Modes in H.C.P. Alloys
Crystal Plasticity Modelling of γ/α2 Lamellar Microstructures in TiAl Alloys
Experimental and Computational Analysis of Deformation in Solid Solution and Precipitation Strengthened Ni-Cr-Co Alloys
Facile Measurements of Elastic Constants for Coupling Experiments and Modeling to Understand Plasticity and Failure
Finite Element Simulation of Global Plastic Behavior of Supercritical CO2 Exposed P91 Metal-weld under Tensile Loading
Finite Element Simulation of Limiting Dome Height Test on the Formability of Aluminium Tailor Welded Blanks
Geometrically Necessary Dislocations (GNDs) and Crystal Plasticity in HCP Metals
Grain-scale Investigations of Deformation Heterogeneities in Aluminum Alloys
HR-DIC and Crystal Plasticity Investigation of Microstructure Sensitive Crack Nucleation in Ni Alloys
Improved Understanding of the Portevin–Le Châtelier Effect though Modelling Using Discrete Diffusion Coupled with Discrete Dislocation Dynamics
In-situ Characterization of Microstructural Damage in QP980 Steel
In Situ Mechanics at Atomic Scale – Experimental vs. Computational Molecular Dynamics
Influence of the Aluminum Microstructure in Electronic Components on their Failure Behavior: Experiments and Crystal Plasticity Simulations
Integrated Micromechanical Approaches to Understand Dwell Fatigue: Crystal and Discrete Dislocation Plasticity Modelling
Integrated Micromechanical Approaches to Understand Dwell Fatigue: In-situ Experiments from the Micro-scale Upwards
Integrating High Energy Diffraction Microscopy Data with Crystal Plasticity Models for Strength and Damage
Internal State Variable Plasticity-damage Modeling of AISI 4140 Steel Including Microstructure-property Relations: Temperature and Strain Rate Effects
Investigation of Deformation Mechanisms in Columnar Aluminum
Localized Deformation Fields in Hexagonal Close-packed Polycrystals
Measurements and Crystal Plasticity Simulations of Microstructure-scale Deformation in Tantalum
Mechanical Behavior of Polycrystalline Microscale Silver Pillars
Mechanism-based Modeling of Solute Strengthening: Application to Thermal Creep in Zr Alloy
Microstructure and Texture Evolution during Thermo-mechanical Processing of Low-symmetry Metals
Microstructure Evolution during Biaxial Load Path Changes: In-situ Experiments and Multi-scale FE-FFT Modeling
Molecular Dynamics (MD) Evaluation of the Effect of Titanium Oxide Stoichiometry on Fracture
Neighbour Effects on Grain Resolved Stress Distributions in Hexagonal Metals Revealed by 3D X-ray Diffraction Measurements
New Approach for Modeling Texture Effect on Macroscopic Plastic Properties of Metals
New Observations of Phase Transformations during Deformation in Superalloys and High Entropy Alloys: Experiments
New Observations of Phase Transformations during Deformation in Superalloys and High Entropy Alloys: Modeling
On the Role of Casting Pores in the Fatigue Damage Process of a Cast Aluminium Alloy
Opportunities for Validation of Grain-Level Plasticity and Fatigue Crack Growth Using High Energy X-ray Diffraction Microscopy; Part 1: Experimental Methods
Opportunities for Validation of Grain-Level Plasticity and Fatigue Crack Growth Using High Energy X-ray Diffraction Microscopy; Part 2: Modeling Development and Considerations
Plasticity of BCC Metals at Low Temperatures - Coupling Theory with Experiments
Rate Processes in Dislocation Dynamics: Effects on Dislocation Microstructure and Comparison with X-ray and TEM Data
Reliability of Slip Resistance Determination in Hexagonal Materials
Simulating Plasticity and Fracture in Micro-cantilevers
Simulation Study on Plasticity and Fracture in Aluminum Based on Real Microstructures
Strain Bursts Induce Quasi-elastic Non-linear Average Response in Nanopillar Compression
Strain Field Mapping and Modeling Around Laser-induced Keyhole Defects in Ti-7Al Under Cyclic Loading
Study of the Deformation of Mg-Y by In Situ EBSD and Visco-plastic Self-consistent Modeling
The Effect of Temperature on Deformation of CP-Ti
The Importance of Introducing Probabilistic Information When Modeling the Constitutive Response of Aggregates (Part II)
The Importance of Introducing Probabilistic Information When Modeling the Constitutive Response of Aggregates (Part I)
The Influence of Elastic Interactions on Local Stresses and Deformation Mechanism during Tensile Loading of Two-phase Titanium Alloys
Understanding Plastic Deformation in Polycrystals 301L Stainless Steel(301L SS) Using Far Field High Energy Diffraction Microscopy (HEDM) Experiments
Understanding Shear Band Formation Using High-resolution X-ray Diffraction and Numerical Modeling
Understanding the Fatigue Response of Each Crystal within a Copper Aggregate
Using 3D Microstructure Characterization to Study the Mechanics of Polycrystalline Materials
Using Machine Learning Approaches towards Quantifying the Deformation History of Crystals: Examples from Discrete Dislocation Dynamics

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