About this Abstract |
| Meeting |
2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
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| Symposium
|
2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
|
| Presentation Title |
In-Situ Thermal Measurements of Multi-Pass and Multi-Layer Additive Friction Stir Deposition Builds |
| Author(s) |
Henry Claesson, Mark Pandol, Hang Yu, Chris Williams |
| On-Site Speaker (Planned) |
Henry Claesson |
| Abstract Scope |
As a solid-state metal AM process, AFSD relies on friction and pressure to deposit metal below the material's melting point. AFSD parts feature a refined microstructure and mechanical performance comparable to that of wrought parts. A thorough understanding of the thermal history of an AFSD build is a critical step towards prediction, qualification, and process control. However, characterizing this thermal history presents a unique challenge, as AFSD processing employs a PID control loop to regulate processing conditions and maintain successful deposition, making thermal modeling of the AFSD process non-trivial. To develop a more holistic understanding of the thermal history of AFSD builds, this work investigates multi-pass and multi-layer AFSD depositions through in-situ point thermocouple measurements to characterize a complete thermal profile of a multi-pass and multi-layer AFSD build. The thermal data gathered provides critical insight into the process-structure relationships governed by the thermal history of as-deposited Al6061 AFSD material. |
| Proceedings Inclusion? |
Undecided |