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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Advanced Solid Phase Processing Symposium
Presentation Title Multimodal Analysis of Microstructural Evolution of Metallic Alloys under Shear Deformation
Author(s) Arun Devaraj, Bharat Gwalani, Tamas Varga, Changyong Park, Luciano Bergmann, Jorge Dos Santos, Peter Staron, Benjamin Klusemann, Tiffany Kaspar, Peter Sushko, Suveen Mathaudhu, Cynthia Powell
On-Site Speaker (Planned) Arun Devaraj
Abstract Scope In order to develop shear-based solid phase processing methods for achieving bulk nanostructured metallic alloys, we aim to better understand the fundamental atomic scale mechanisms of mass and energy transfer in materials under shear deformation. To achieve this aim, we employed synchrotron-based in situ and ex situ high-energy x-ray diffraction capabilities under high pressure, with or without shear deformation. We used a diamond anvil cell, as well as the FlexiStir in-situ friction stir and processing system. The obtained synchrotron-based XRD results were correlated with detailed microstructural characterization before and after shear deformation using transmission electron microscopy and atom probe tomography. Our results on shear induced structural and chemical modifications of several model metallic alloys such as Al-Si, Cu-Nb and Cu-Ni provide new insights on the potential role of shear deformation in formation of metastable states, as well as in modifying the phase transformation pathways of these alloy systems.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Computational Approach with Experimental Support to Study the Effect of Interfacial Characteristics on The Performance of Dissimilar Joints via Friction Stir Scribe Technique
Advances in Deformation and Microstructure Evolution Understanding in Additive Friction Stir Deposition
Designer Additive Manufacturing Powders for Solid State Additive Manufacturing Processing
Dynamic Recrystallization Model Under Large Deformation During Solid Phase Processing
Electrical Conductivity and Wear Properties of Pure Copper Processed by High Pressure Sliding
Elucidating the Role of Flash Heating in Ultrasonic Consolidation of Powder and Foils
Fatigue Mechanisms of Aluminum Alloys Fabricated by Additive Friction Stir Deposition
Hybrid Cutting-Extrusion for Sheet Metal Production with Exceptional Microstructure Control
Impulse for Solid-State Processing
In-situ Studies of Impact-Induced Deformation and Solid-State Bonding in Cold Spray
Incremental Equal Channel Angular Pressing as a Tool for Manufacturing Large Ultra-fine Grained Copper Rods
Investigation of Metastable Structure Evolution in Friction Consolidation
J-8: Mechanical and Microstructural Properties of Lightweight Laminates Manufactured by Explosive Welding
Joining Dissimilar Materials via Rotational Hammer Rivet Technique
Laser Assisted Cold Spray of AISI 4340
Linear Friction Welding of Ti Components:Iinvestigation of Residual Stress and Fatigue Performance
MD Simulations of Deformation Mechanisms and Sub-grain Formation in Al-Si Alloys Under High Shear Deformation
Microstructural Analysis and Modeling of Grain Refinement During Tribometric Surface Deformation
Microstructure and Mechanical Properties of Solid-State Additive Friction Stir Processed Alloy 600 on 304L Stainless Steel
Multimodal Analysis of Microstructural Evolution of Metallic Alloys under Shear Deformation
Phase Transformations Induced by Large Plastic Deformations under High Pressure: Four-Scale Theory and in Situ Experiments
Plastic Flow Instability, Surface Folding and a Mechanochemical Effect in Large Strain Deformation of Metals
Recent Developments in Upscaling High Pressure Torsion
Shear-induced Diffusion and Intermixing: Atomic-level Perspective from Molecular Dynamics Simulations
Shear Assisted Solid Phase Processing of Aluminum Alloys
Simultaneously Reducing Mechanical Anisotropy and Enhancing Ductility in Mg Alloys by Advanced Solid Phase Processing
Smoothed Particle Hydrodynamic Simulations of Solid-phase AA6061 Additive Friction Stir Depositions
Strain in Friction Extrusion
Structural and Compositional Changes During Shear Assisted Processing of Materials
Structure-Property Correlations in Friction Stir Welded 304L Stainless Steel
Structure-property Relationships in Solid Phase Processing and Emerging Applications
Tailoring the Magnetic Properties of Nanostructured Alloys by Severe Plastic Deformation
Thermally Stable Nanostructured Immiscible Alloys via Friction Stir Processing
Thermo-mechanical Processing of ZK Series Magnesium Alloys for Improved Low Temperature Performance

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