Characterizing the Thermal-Induced Distortion of Large-Scale Polymer Composite Printed Structures

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dc.creatorCorum, Tyler
dc.creatorO’Connell, Johnna
dc.creatorBrackett, James
dc.creatorSpencer, Ryan
dc.creatorHassen, Ahmed
dc.creatorDuty, Chad
dc.date.accessioned2023-02-10T17:51:42Z
dc.date.available2023-02-10T17:51:42Z
dc.date.issued2022
dc.description.abstractThe Big Area Additive Manufacturing (BAAM) system has been used to print large-scale parts, such as automotive structures and molds for tooling, with fiber-reinforced polymer composites. Incorporating reinforcing fibers in printed parts is commonly used to increase stiffness and strength, but it also introduces significant anisotropy in the thermomechanical performance, which can lead to distortion and warping during thermal cycling. Characterizing and understanding how a printed tool distorts is crucial to maintaining tolerances and avoiding part failure. This study uses digital image correlation (DIC) to measure the coefficient of thermal expansion (CTE) of a printed part from room temperature and to a known steady state temperature. The samples were printed with carbon fiber reinforced acrylonitrile butadiene styrene (CF-ABS). Various nozzle geometries were evaluated in this study with the intent of minimizing the thermal- induced distortion experienced by printed parts.en_US
dc.description.departmentMechanical Engineeringen_US
dc.identifier.urihttps://hdl.handle.net/2152/117457
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/44338
dc.language.isoengen_US
dc.relation.ispartof2022 International Solid Freeform Fabrication Symposiumen_US
dc.rights.restrictionOpenen_US
dc.subjectpolymeren_US
dc.titleCharacterizing the Thermal-Induced Distortion of Large-Scale Polymer Composite Printed Structuresen_US
dc.typeConference paperen_US

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2022 International Solid Freeform Fabrication Symposium