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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Powder Materials Processing and Fundamental Understanding
Presentation Title Direct Powder Combination, Consolidation, and Forming of Metals and Composites via Solid-state Additive Manufacturing
Author(s) Robert J. Griffiths, Hunter Rauch, Hang Yu
On-Site Speaker (Planned) Robert J. Griffiths
Abstract Scope Additive friction stir deposition (AFSD) is a solid-state additive manufacturing technique capable of processing a wide range of metal systems. In one configuration of the technology, powder material is fed through a hollow tool via a differentially rotating auger screw, much like many pellet-fed polymer extruders. Unlike these, at the end of the tool the accumulated powder is further consolidated via severe shear deformation which also bonds the material to a substrate or previous layer. By feeding different types of powder into the process, full density composites and alloys can be formed in-situ, with the additive nature of the technique producing desired shapes and structures as well. Here we focus on an Aluminum-Molybdenum system produced via this technique. The thermomechanical conditions during AFSD are ideal for mechanically induced mixing, producing a unique hybrid composite structure with extremely high loading fraction of reinforcement, full density, and good mechanical response.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Powder Materials, Composites


A Bayesian Approach to the Eagar-Tsai Model for Melt Pool Geometry Predictions
Additive Manufacturing of Ionic Liquids Harvested Metal for Martian Habitation
Analysis of Additive Manufacturing Powders' Behaviors Using Discrete Element Method-based Simulation
Challenges Associated with Micro-additive Manufactured 316L and 17-4PH Stainless Steel Components Produced by Binder Jet and Selective Laser Melting
Direct Powder Combination, Consolidation, and Forming of Metals and Composites via Solid-state Additive Manufacturing
Effect of Powder Reuse on Mechanical Behavior of Additively Manufactured Ti-6Al-4V
Electromigration Behavior of Additively Manufactured Copper Wirings
From Ultrafast Sintering with and without Electric Fields to Electrochemically Controlled Microstructural Evolution
Gravitation Effects on Sintering
Gravity-affected Sintering of 3D-printed Powder Components
Inconel 718 Contamination in Ti6Al4V during Powder Bed Fusion
Influence of Powder Reuse in LPBF on the Attributes of SS316L Particles and Powder Beds
Investigating Particle Size-shape Effects on Flowability and Moisture Content of Metallic Powders after Environmental Exposure for Additive Manufacturing Applications
J-47: Induction Sintering of Copper-chromium Powders at Low-pressure Environment
Laser-based, Machine-learning Guided, Additive Manufacturing of Ceramics with Designed Microstructure and Hardness
Microdroplet-based Manufacturing of Metal-organic Frameworks Powder Materials: Fundamentals and Applications
NOW ON-DEMAND ONLY - Optical Analysis of Powder Oxygen Content in Metal Powder Bed Fusion
Particle-based Nanostructured Ceramics for Tailored Functional and Mechanical Properties
Particle Packing in Powder Spreading for Selective Laser Melted Additive Manufacturing Using the Discrete Element Method
Powder Metallurgy Fabrication of ZrHx Moderator and U-ZrHx Moderated Nuclear Fuel
Rapid Solidification Behavior of Cast Ni-based Superalloy IN-100 by EBM Process
Rapid Solidification of Ultrasonically Atomised Aluminium Melt
Redox Chemistry of Surface-engineered CeO2 Nanocrystals: Catalytic and Electrochemical Applications
Silicon Oxycarbide Coatings on Zirconia Microspheres Using a Fluidized Bed Coating Process
Sintering Anisotropy of Binder Jetting 316L
Sintering Based Production of Complex Shapes by the Coupling of Additive Manufacturing and Spark Plasma Sintering
Stable Temperature Regulation in Spark Plasma Sintering Simulations
Surface Chemistry Changes Resulting from Ti-6Al-4V Feedstock Powder Reuse in Electron Beam Additive Manufacturing
Surface Modification of Micro Powders Using Plasma-based Reactors for Sintering of Copper-Chromium Alloys
Synchrotron X-ray Imaging of Cracking during Laser Powder Bed Fusion (LPBF) of Aged CM247 Powder with Varying Oxygen Content
Synthesis and Consolidation of CoCr+X (X=SiC or WC) Milled Powder for Additive Manufacturing
The Effects of Melt Pool Geometry on Microstructure Development during Additive Manufacturing
Transparent Al2O3 Fabricated by Energy Efficient Spark Plasma Sintering
Understanding Mechanisms Behind Morphological Changes in Gas Atomized Powders after Laser Irradiation
Understanding of Agglomeration and Chemical Reactions of CoAl2O4 Inoculants in IN718 Processed by Selective Laser Melting
Understanding Powder Morphology and Its Effect on Flowability in Additive Manufacturing through Machine Learning Techniques
Understanding Surface Roughness on Vertical Walls in Laser Powder Bad Fusion Additive Manufacturing

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