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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Beyond on the Beam IV
Presentation Title Effect of Additive Friction Stir Deposition Tool Geometry on Material Mixing and Microstructure Gradient of Al Alloys
Author(s) Mackenzie Perry, Hang Yu, Greg D. Hahn
On-Site Speaker (Planned) Mackenzie Perry
Abstract Scope Developing an understanding of the effect of tool geometry on material mixing and microstructure evolution during Additive Friction Stir Deposition (AFSD) is important for full implementation of the technology. In this work, we used three tools with different features on the bottom surface to print 2XXX series aluminum alloy feedstock onto 6XXX series aluminum alloy substrates. X-ray computed tomography is used to visualize the shape of the deposited material layer and the interface between dissimilar aluminum alloys. Depending on the tool (flat, two protrusions, or four protrusions), the shape of the deposited material interface is tunable from flat all the way to highly asymmetric and wavy for the same parameters. Electron backscatter diffraction is used to understand the microstructure progression. The microstructure of the deposited material was relatively uniform and fully recrystallized. The substrate material showed variable amounts of recrystallization that is location dependent..
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Aluminum,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A-41: Redeposition and Grain Refinement of AA6061 Produced Using Additive Friction Stir Deposition
A High-throughput Process for Mechanical Characterization of Ceramic Materials Produced by Direct Ink Writing
A New Approach to the Manufacturing of Metallic Lattice Parts by Combining Polymer Additive Manufacturing and Electroplating
Additive Friction Stir Deposition of IN625-316L Bimetal
Capturing the Thermo-mechanical History of Additive Friction Stir Deposited Al6061 Using a Three-dimensional CFD Based Numerical Model
Characterization of an Additively-manufacturable Ammonium Perchlorate Composite Rocket Propellant
Effect of Additive Friction Stir Deposition Tool Geometry on Material Mixing and Microstructure Gradient of Al Alloys
Electroplating Powder for Cold Spray Applications
Engineering Powder Characteristics of WC-Co for Binderjet Processing
Evolution of Precipitate Structure in AA7050 Produced by Additive Friction Stir Deposition
Friction Stir Additive Manufacturing of Al-5083
Liquid Metal Jetting Based Additive Manufacturing of Cu-Al-Fe Bronze Alloy
Optimization of Mechanical Performance of Cold Sprayed Niobium
Physical Trends Unraveled by Integrated In Situ Monitoring in Additive Friction Stir Deposition-Enabled Repair
Quantification of Defects in Binder-jet Printed Steel Parts Using Confocal Imaging and Machine Learning
Recycled Ti-6Al-4V Powder Processed by Fusion Deposition Modelling (FDM)
Shape and Microstructural Characterization of Commercially Pure Titanium Feedstock Powders for Cold Spray Additive Manufacturing
Solid State Additive Manufacturing of Magnesium via Friction Stir Deposition
Solid State Additive Manufacturing of Oxide Dispersion Strengthened FeCrAl Alloy through Metal Extrusion Method
Teaching Printers How to Print: From G-Code to Integrating AI and Cloud Computing into Additive Manufacture
Through-Process Experimental Approach for Optimization of Powder Feedstock for Cold Spray Additive Manufacturing

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