About this Abstract |
Meeting |
2025 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2025)
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Symposium
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2025 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2025)
|
Presentation Title |
Impact of Layer Orientation and Nozzle Diameter on Radio Frequency Transmissivity of Fused Filament Fabricated Ultem 9085 |
Author(s) |
Carson Rogers, Jutima Simsiriwong, Juan Aceros, Daniel Santavicca |
On-Site Speaker (Planned) |
Carson Rogers |
Abstract Scope |
Ultem 9085 is a high-performance thermoplastic material commonly used in fused filament fabrication (FFF) process, and has been selected for L, S, and X band naval radome applications due to its excellent mechanical and thermal properties. However, previous studies have found that the FFF process induces anisotropy in the electromagnetic transmissivity of fabricated parts due to the print layering. In addition, the nozzle diameter of the extruder affects part density, which subsequently impacts electromagnetic transmissivity of FFF parts. In this study, the effects of layer orientation and nozzle diameter on the electromagnetic transmissivity of FFF Ultem 9085 parts are investigated. Experiments are conducted using a rectangular waveguide over the X band frequency range. The resulting transmissivity data are analyzed and discussed in relation to the layer orientation of parts and nozzle diameters utilized. |
Proceedings Inclusion? |
Planned: Post-meeting proceedings |