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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing and Innovative Powder/Wire Processing of Multifunctional Materials
Presentation Title F-2: Comparison of Flowability and Characteristics of Inconel 625, Ti-6Al-4V, and SUS316L Powders for the DED Process
Author(s) Kim Hyun Joong, Sungjae Jo, Marzieh Ebrahimian, Mohsen Saboktakin Rizi, Geonwoo Baek, Jaehong Kim, Seunghye Jeong, Jiwoon Lee, Soon-Jik Hong
On-Site Speaker (Planned) Kim Hyun Joong
Abstract Scope In additive maunfacturing, powder flowability is crucial for effective powder supply and void formation. Understanding the flowability and characteristics of powders is essential. This study compares the flowability of powders used in stack manufacturing: Inconel 625, Ti-6Al-4V, and SUS316L. Powders were produced via gas atomization and classified into sizes of 50-100μm, 100-150μm, and 50-150μm. Particle size distribution and sphericity were measured using SEM and PSA. The Avalanche method compared flowability, revealing significant variations among the alloys. Inconel 625 powder showed good flowability due to its spherical shape and narrow particle size distribution. Ti-6Al-4V powder had relatively poor flow characteristics due to irregular shapes and broader size distribution. SUS316L powder exhibited moderate flowability. Understanding these flowability differences aids in alloy selection and process optimization for stack manufacturing. This study provides valuable insights into the flowability of Inconel 625, Ti-6Al-4V, and SUS316L powders, enabling consistent and reliable powder supply in powder metallurgy.
Proceedings Inclusion? Planned:

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Enhanced Interfacial Properties in Multi-material Printing of Aluminum and Titanium Alloys Through the Combination of Powders and Foils
F-1: Binder Jetting of Non-spherical Copper Powder
F-2: Comparison of Flowability and Characteristics of Inconel 625, Ti-6Al-4V, and SUS316L Powders for the DED Process
F-3: Effect of Sliding Conditions on Wear Behavior of Directed Energy Deposited CoCrFeMnNi High Entropy Alloy
F-4: Geometric Characteristics in Polycaprolactone Scaffolds Fabricated by Melt Extrusion Additive Manufacturing
F-5: Iron-based Shape Memory Alloy Coatings for Forging Dies
F-6: Revisiting the Effect of Alloying Elements on Crystal Structure, Microstructure, and Magnetic Properties Samarium Cobalt Supermagnets
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