Static Mixing Nozzles for Long and Short Fiber Additive Extrusion Processes

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dc.creatorSmith, Tyler
dc.creatorCopenhaver, Katie
dc.creatorLamm, Meghan
dc.creatorBrackett, James
dc.creatorKumar, Vipin
dc.creatorHershey, Christopher
dc.creatorJoslin, Chase
dc.creatorLindahl, John
dc.creatorTobin, Jim
dc.creatorRodriguez, Brittany A.
dc.creatorKunc, Vlastimil
dc.creatorHassen, Ahmed
dc.date.accessioned2024-03-26T22:50:23Z
dc.date.available2024-03-26T22:50:23Z
dc.date.issued2023
dc.description.abstractAdditive manufacturing is conventionally used to create structures by extruding plastic or metal layer by layer. In the case of polymer processes, fibers are typically added to increase stiffness and reduce warping during building. The length of the fiber exiting the nozzle can impact the overall mechanical properties of the structure. Using long fiber pellets can increase the starting length of the pellets to help increase the average fiber length coming out from the extruder. However, extruded long fiber materials tend to have low fiber alignment and high porosity leading to poor mechanical properties. By blending long fiber and short fiber resins using a static mixing nozzle, consolidated beads can be created to produce more stable and solid structures while adding a fixed amount of long fiber into the extruded bead to increase mechanical performance.
dc.description.departmentMechanical Engineering
dc.identifier.urihttps://hdl.handle.net/2152/124433
dc.identifier.urihttps://doi.org/10.26153/tsw/51041
dc.language.isoen_US
dc.publisherUniversity of Texas at Austin
dc.relation.ispartof2023 International Solid Freeform Fabrication Symposium
dc.rights.restrictionOpen
dc.subjectadditive manufacturing
dc.subjectnozzle
dc.subjectshort fiber
dc.subjectextrusion
dc.titleStatic Mixing Nozzles for Long and Short Fiber Additive Extrusion Processes
dc.typeConference paper

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2023 International Solid Freeform Fabrication Symposium