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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium An Atoms to Autos Approach for Materials Innovations for Lightweighting: An LMD Symposium in Honor of Anil K. Sachdev
Presentation Title Solute Clustering Mechanisms in 6xxx Sheet Products
Author(s) Monica Kapoor, David Tweddle, Gregory B Thompson, John E Carsley
On-Site Speaker (Planned) Monica Kapoor
Abstract Scope The early stage of atomic clustering is critical in deciding the transformation pathways to strengthening phases and thereby strengthening kinetics, which in turn controls 6xxx automotive sheet formability performance. Clustering can be quantified using atom probe tomography (APT) which requires arduous sample preparation using electropolishing and/or FIB-based methods. In light metals, some of these sample preparation methods have the potential to modify the very clustering behavior which is under investigation. Thus, this study first investigates various sample preparation methods and quantifies clustering, which is sensitive to vacancy concentration, to identify the best sample preparation method for APT of light metals. In the second part of this study, APT is used to characterize and quantify clusters at various points along the process route of the alloy – pre-aged, artificially aged, post-solution-treatment, and corresponding states after artificial aging – and linked to mechanical properties.
Proceedings Inclusion? Planned:
Keywords Aluminum, Characterization, Other

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Advanced High Strength Sheet Steel Developments to Enable Lightweight Automotive Designs
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Application of Integrated Computational Materials Engineering (ICME) in Light Metal Casting
Applications of Interdiffusion Studies in Lightweight Materials Design and Dissimilar Metal Joining
Atomistic Kinetics in the Early Stage of Aluminum Alloy Natural Aging
Battery500 Consortium: Understanding and Addressing the Fundamental Challenges in Rechargeable Lithium Metal Batteries
Effect of Ca and Zn Additions on Texture Weakening in Solid Solution Mg Alloys
Evaluation of Additively Manufactured Parts Using a Single Constitutive Parameter
High-Throughput Methodology for Alloy Development of Aluminum Sheet Products
High Entropy Alloys: A Path Toward Wider Alloy Variety for Future Recycled Lightweight Alloys
Increasing the Composition Range of Al-Fe-Si Intermetallics for Automotive Applications
Influence of Length Scale on the Kinetics of Phase Transformation and Microstructure Evolution during Field-Assisted Sintering and Severe Plastic Deformation
Influence of Recycled Alloy Additions on the Microstructure and Plane Strain Deformation of Wrought Aluminum Alloys
Investigating Hydrogen Embrittlement in Aluminum Alloys: Insights from First-principles Calculations
Investigations of Solute Clustering and GP Zone Nucleation Kinetics in Al-Zn-Mg-based Alloys
Lightweighting Solutions Enabled by Sustainable Low-Carbon Footprint Alloys and Processes
Liquid Metallurgy Processing for Reuse of Al Scrap
Macro- and Micro-modeling on Squeeze Casting of Aluminum and Magnesium Alloys
Magnetic Materials for EV Traction Motors
Materials for a Connected Vehicle Experience
Micro-mechanics of Li Metal for High Energy Battery Applications: A Full-field Crystal Plasticity Approach
Microstructural Evolution and Deformation Mechanisms in Aluminum Alloys by In situ X-ray Micro and Nanotomography
Modeling and Validating Hydrogen Porosity Formation in Aluminum Laser Welding
Multiscale Simulations of Thin Passivation Layers --- From Aluminum Forming to Lithium-Ion Battery Durability
Nanoindentation as One of the Multiscale Mechanical Characterization Tools for Developing Materials for Automotive Applications
Parametrically-upscaled Crack Nucleation Model (PUCNM) for Fatigue Nucleation in Ti Alloys Containing Micro-Texture Regions
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Solidification Processing of Metal Matrix Composites for Transportation Applications
Solute Clustering Mechanisms in 6xxx Sheet Products
The Influence of Grain Boundary Character on Deformation Mechanisms in Sheet Alloys for Lightweighting of Auto Structures
The Metallurgy and Design of Alloys for Aerospace Structures – A Historical Perspective
The Possibilities of Aluminum-carbon Fiber Composites for Automobile Structural Components
Understanding Chemical and Structural Organization in Cation Disordered Rocksalt Oxides for Li-ion Batteries
Using the PRISMS Center Framework to Accelerate the Design of Alloys and Processes for Formable Mg Sheet

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