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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Purveyors of Processing Science and ICME: A SMD Symposium to Honor the Many Contributions of Taylan Altan, Wei Tsu Wu, Soo-Ik Oh, and Lee Semiatin
Presentation Title Development and Calibration of Numerical Meso-scale Models of Microstructure Evolution for Concurrent Recovery, Recrystallization, and Grain Growth with Zener Pinning
Author(s) Eric J. Payton, Austin Gerlt, Matthew Krug, Katelun Wertz
On-Site Speaker (Planned) Eric J. Payton
Abstract Scope From yield strength to creep resistance to fracture toughness, virtually every mechanical property of engineering alloys is affected by grain size. Microstructures retain a “memory” of prior processing history through the size, shape, orientation, and spatial distributions of phases and defects. A complex interplay exists between grain-size distribution shape, heterogeneity of stored strain, and joint size-spatial distributions of secondary phases. This is reflected in the time evolution of the grain-size distribution upon thermal exposure. We will present our efforts towards developing a fast-acting numerical meso-scale model of microstructure evolution that simultaneously incorporates the unified effects of recovery, recrystallization, grain growth, and secondary-phase pinning. The model synthesizes and builds upon seminal contributions to the field of metals processing science by Semiatin et al. Strengths and limitations of the approach with respect to enabling prediction of microstructure variation across forged components will be discussed, with emphasis on accurate measurement of input parameters.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Road Map of Four Decade Journey to Modeling Thermo-mechanical Processes and Microstructure Evolution
An (incomplete) ICME Framework for Modeling Additive Manufacturing
Annealing Twins in Wrought Polycrystalline Superalloys
Application of the CALPHAD Method in the Framework of ICME
Austenite Transformation Behavior during Tensile Deformation of Quenched and Partitioned Steels
Development and Calibration of Numerical Meso-scale Models of Microstructure Evolution for Concurrent Recovery, Recrystallization, and Grain Growth with Zener Pinning
Development and Optimization of a Novel SPPARKS Recrystallization Model for AM IN718
Directional Recrystallization Processing
Engineered Residual Stress Optimization and Utilization
Enhancing the Properties of Ni-based Superalloys via Mesoscale Engineering
Genomic Materials Design: Science-based Engineering
Heterogeneous Deformation during Forming of Pure Niobium and its Influence on Superconducting Radio Frequency Cavity Performance
Hierarchical Multiscale Modeling of Microtextured Regions in Ti-6242 during Alpha/beta Processing
Integrated Approaches to Alloy Industrialization Using Numerical Simulation and Physical Modeling
Manipulation of Microstructure and Microstructural Gradients through Dehydrogenation of Hydrogen-sintered Ti-6Al-4V
Martensitic Variant Selection Under Applied Stress: A New Approach Applied to the β→𝛼 Transformation in Titanium
Mesoscale Simulations of Processing-microstructure Linkages during Additive Manufacturing
Metallic Alloy Microstructure Selection during Rapid Solidification and Additive Manufacturing
Microstructure Control of Nickel based Superalloy Forgings: a Focus onto Post-dynamic Evolutions
Microstructure Underpins Processing
Modeling Beta Phase Texture Evolution during Alpha+Beta Forging to Understand Precursors to Coarse (“Abnormal”) Grain Formation
Modeling of the Solidification Structure Evolution of Ti-6Al-4V Processed via Electron Beam Powder Bed Fusion
Modeling Pore Closure in Titanium Alloys
On the Mechanical Behavior of Keyhole-free Friction Stir Welded Copper-Aluminum Spot Joints
Optimizing Metals Additive Manufacturing
Processing Heterostructured Materials for Superior Mechanical Properties
Pushing the Performance Limits of Metallic Alloys through Severe Plastic Deformation Processing
Regulating Plastic Deformation by Structural Phase Transformations and Cice Vesa for Unprecedented Mechanical Properties
Role of Thermo-mechanical-chemical Transients: Relevance to Welding and Additive Manufacturing of Structural Metals
The Challenges of Refractory Alloy Processing: A Case Study in a Refractory Complex Concentrated Alloy
The Effects of Alpha-beta Interaction on the Texture Development of Zr and Ti Alloys during Hot Working
The Evolution of Abnormal Grains Structures during Beta Annealing of Ti-64 Wrought Products
The Operation of a Research Scale Esr Furnace and its Impact on Trace Elements
The Role of Plastic Rotation in the Breakdown of Colony Microstructures in Two Phase Titanium Alloys
Towards Rapid Throughout Measurement of Grain Boundary Properties
Transformations, Recrystallization, Microtexture and Plasticity in Titanium Alloys
Zoning Thermomechanical Process History Data Using Unsupervised Machine Learning

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