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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Phase Transformations and Microstructural Evolution
Presentation Title Beyond Modified Mean Field: A Case for a Stochastic Grain Growth Model in the Short Time Limit
Author(s) Chandra S Pande, Alex E. Moser
On-Site Speaker (Planned) Alex E. Moser
Abstract Scope We discuss the basic mechanism of grain growth in three dimensions in metals and alloys. It is argued, a comprehensive grain growth model is best based on a stochastic process described by a Fokker Planck equation. We show that this concept is sufficient to determine almost all features of grain growth in general terms. The existence of the von Neumann law and its counterpart in three dimensions enables us to provide an explicit form of the Fokker Planck equation and thus determine many features of grain growth in great detail in the long time limit. Finally, we illustrate a path towards an analytical solution for three dimensional grain growth in the short time limit.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

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A Martensitic Transformation Kinetics Law Sensitive to Stress State Implemented in Crystal Plasticity for Modeling of Strain and Stress Driven Austenite to Martensite Transformation
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Atomic Structures and Processes in Al-Cu alloys
Atomistic modeling based on the Quasiparticle Approach of the Fcc-bcc Phase Transformations
Barrier-free Nucleation at Grain-boundary Triple Junctions during Solid-state Phase Transformations
Beyond Modified Mean Field: A Case for a Stochastic Grain Growth Model in the Short Time Limit
Comparison of Phase Transformations in Binary Ti-Mo and Zr-Nb Alloys
Concurrent Modeling of Martensitic Transformation and Crack Growth in Shape Memory Ceramics
Controlling Microstructure of Nanotwinned Cu by Tuning the Electroplating Temperatures and Chemical Additives
Coupled Grain Structure and Carbide Evolution during Rapid Thermal Cycling of an Fe-Cr-C Steel
Crystallographic Characteristics of γ'-Fe4N Formation Upon Nitriding of α-Fe
Defect Assisted Growth of Fine Scale Alpha in Titanium Alloys
Dislocation or Twinning Formation in Inorganic Semiconductors from Light Irradiation
Divergent Pearlite Growth in Fe-Mn-C Steel
Effect of Heat Treatments on Microstructures and Mechanical Properties of Ti-5553 Alloy
Effect of Precipitates on Martensitic Transformation in NiTiHf Shape Memory Alloys
Effect of Zirconium Addition to Wrought Al-Mg-Si Alloys on Microstructure
Exploring Phase Transformations in the Au-Zn-Al System
Fabrication of Gamma Prime Strengthened Ni-Cr-Al-Ti Microtubes via Gas-phase Deposition and the Kirkendall Effect
Formation and Stability of Ni-Y Clusters in Mg85Y9Ni6 Alloys
Formation of Retained Delta-ferrite and Martensite in the Coarse Grained Heat-affected Zone of P91 Heat-resistant Steel
In-situ X-ray Diffraction Measurement during Deformation of Austenite above the Ae3 Temperature
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Interphase Boundary Anisotropy Effects on the Microstructure Evolution in Three Phase β(In) – In2Bi – γ(Sn) Eutectic System
Iron-rich Microstructures in Post-Detonation Nuclear Debris
Lattice Boltzmann Phase-field Modelling of Solidification Process for the Ni-Nb Binary-alloy
Linear Complexion Formation and their Effect on the Strength of Metallic Alloys
Macroscopic Energy Barrier and Rate-independent Hysteresis in Martensitic Transformations
Martensitic Transformation in a Rapidly-quenched Interstitial-free Steel using a Gleeble 3800 Thermo-mechanical Simulator
Mesoscale Models for Investigating Solid-state Phase Transformations in Metal Hydrides for Hydrogen Storage
Microstructural and Mechanical Characterization of Cast Austenitic Stainless Steel Alloyed with Si
Molecular Dynamic Study the Role of the Kinetic Factor during Nucleation of Stoichiometric Compounds from Liquid
Morphological and Structural Instability of Iron-rich Precipitates in Cu-Fe-Co Alloys
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Multiphase Modeling of Artificial Aging in a Multicomponent Aluminum Alloy based on the Subcritical Growth Theory
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O-35: Bainite Formation during Zinc Galvanizing on Steel
O-36: Carbon and Microstructure Effects on the Magnetic Properties of Fe-CN Soft Magnetic Materials (Minnealloy)
O-37: Carbonation Behavior of Calcium Aluminate Cements with Additions of Silica
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Pearlite in Multicomponent Steels: Phenomenological Steady-state Modeling
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Predictably Tuning Transformation Temperatures in Thin Epitaxial Films
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The Validity of Additivity Rule for Pearlite Transformation in Eutectoid Steels
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