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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Deformation-induced Manipulation of Defect Structures and Hierarchical Microstructures
Sponsorship TMS Materials Processing and Manufacturing Division
TMS: Phase Transformations Committee
Organizer(s) Bharat Gwalani, North Carolina State Universtiy
Kester D. Clarke, Los Alamos National Laboratory
Eric A. Lass, University of Tennessee-Knoxville
Vahid Tari, ATI - Allegheny Technologies Incorporated
Scope Engineering the microstructure and microstructural hierarchy form the basis of the application of metallic materials. A spatial hierarchy ranging from atomic/dislocation to precipitate to grain level can be effective at different scales and help to design high-performing alloys. Deformation processing is widely applied to engineer defect-mediated microstructures. High-stress deformation processes such as high-pressure torsion or high strain processes such as friction stir processing both have been used to modify defect structures often resulting in the microstructural hierarchy. However, in these processes, the mechanical-thermal coupling obscures a deep mechanistic understanding of the microstructural evolution, and the knowledge of how these microstructures influence properties is an active research area. This symposium brings together the various communities working on deformation-induced microstructural modification. Areas of interest include severe plastic deformation, friction stir processing, cold spray, shear processing, grain boundary engineering, persistent metastable structures by solid-phase processing, the influence of deformation on precipitation, microstructural and phase evolution under deformation, distribution of the alloying elements, supersaturation, forced mixing, and the influence of these on the overall microstructural evolution and mechanical properties of these alloys. Both experimental and computational topics are welcome.
Abstracts Due 07/17/2022
Proceedings Plan Planned:

A Novel Warm Rolling Induced Microstructure Modification for Evading Strength-Ductility Trade-off in Medium Manganese Steel
Deformation Induced Hierarchical Twinning in Titanium Alloys
Deformation Mechanisms in Cu-Nb Nanolayered Composite under Pico-indentation and Tribological Testing
Deformation of Fe-Rich, Co-Free Multi-Principal Element Alloys at Multiple Strain Rates and Temperature Conditions
Dynamically Reversible Shear Transformations in a CrMnFeCoNi High-entropy Alloy
Effect of Pre-straining on High Strain Rate Compression Behavior of a Complex Concentrated Alloy Exhibiting Transformation Induced Plasticity
Exploiting Hydrogen Segregation Effects for Controlling Microstructure Evolution
Exploring Joining Mechanism for Immiscible System: Friction Stir Welding of Pure Mg and Pure Fe
Grain Refinement and Microstructural Evolution in AM High Entropy Alloys through SPD and Thermomechanical Processing
Microstructural Inelastic Deformation and Fracture Modes in Crystalline Materials
Nanostructural Hierarchy in Metallic Materials for Extended High Temperature Stability
Phase Stability in Alloys during Severe Plastic Deformation in the High Strain Limit
Processing Heterostructures Using Deformation Techniques
Role of Cold Sprayed Microstructure on Tensile and Fatigue Behavior for AA7075
Self-lubricating Ni-based Superalloy Composites Processed by Severe Plastic Deformation
The Role of Deformation Induced Defects on Phase Evolution in High Entropy Alloys
Under Pressure - Exploring the Synergy of High Pressure Deformation Mechanisms of Metals and Rocks
Universal Trend in the Non-Equilibrium Evolution of Metastable Grain Boundaries at Extreme Conditions

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