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Meeting MS&T23: Materials Science & Technology
Symposium Additive Manufacturing: Equipment, Instrumentation and In-Situ Process Monitoring
Presentation Title Fill Impact Welding: Additive Manufacturing through Ballistic Impact of Metallic Sheets
Author(s) Anupam Vivek, Mohammed Abdelmaola, Jianxiong Li, Yu Mao, Glenn S Daehn
On-Site Speaker (Planned) Anupam Vivek
Abstract Scope Metal AM typically utilizes powder as feed. Fill impact welding, a ballistic additive manufacturing technique, uses dime-sized pieces of sheet metal launched at over 300m/s to impact and weld to the metallic substrate. The driving force can be generated by several means, including electrically vaporized foil actuators used in this work. Here, fill impact welding has been utilized for creating heterogeneous welds between dissimilar metals (1018 steel and 6061-T6 aluminum alloy) and for filling back up a pre-machined pocket in a 5052 aluminum alloy plate. The former application resembles arc welding, while the latter represents a potential repair technique, but both are done while maintaining the filler metal in solid state throughout the process. Characterization of the samples show negligible differences between the AM part and the parent material. Process steps, key measured parameters, resulting microstructure and mechanical properties are presented along with the future outlook for equipment and applications.


An Efficiency Study of Multi-Mode Laser Profiles
Customized Glove Box for In Situ Monitoring of Laser Directed Energy Deposition
Exploring a Supervisory Control System Using ROS2 and IoT Sensors
Fill Impact Welding: Additive Manufacturing through Ballistic Impact of Metallic Sheets
Implementing Statistical Process Control in Laser Powder Bed Fusion Metal Additive Manufacturing
In-situ Pyrometric Sensing for Real-time AM Process Monitoring and Control
Investigating the Effect of Part Geometry on Microstructure for Laser Powder Bed Fusion of Bismuth Telluride using In-Situ Process Monitoring
Melt Pool Scale Process Monitoring for Laser Hot Wire Additive Directed Energy Deposition
Quantification of Build Interruptions through In-Process Monitoring and Mechanical Test
Real Time Observations of In-Situ Alloying Molybdenum and Ti-6Al-4V in Laser Directed Energy Deposition Additive Manufacturing
Reinforcement Learning for In-situ Melt Pool Control during Laser Powder Bed Fusion
Robust Detection of L-PBF Process Anomalies Using High-speed On-axis Melt Pool Pyrometry
Two-color Melt Pool Thermal Imaging on Powder-blown Laser-DED to Advance Understanding of Melt Pool Thermal-fluid Physics

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