Nozzle clogging factors during fused filament fabrication of spherical particle filled polymers
Abstract
Fused filament fabrication with reinforced or filled polymers provides improved material properties compared to ordinary feedstock. A current limitation of these materials is the occurrence of nozzle clogging at higher filler contents. In this paper, an experiment is designed to identify the factors causing nozzle clogging. Glass sphere-filled polycarbonate is investigated by varying nozzle and filler diameters, the resin viscosity, the filler content, and the extrusion pressure. Equations identifying nozzle clogging and intermittent clogging conditions are provided. Based on these results, a model for the clogging of sphere-filled polymers is proposed. Last, a mathematical model is derived, which approximates the printability of filled polymers without the preparation of composites. Finally, this model is based on the nozzle geometry, the filler type and content, the resin viscosity, and the printer’s maximum extrusion force.
- Authors:
-
[2];
- Karlsruhe Inst. of Technology (KIT) (Germany). Inst. of Automotive Systems Lightweight Technology
- Univ. of Wisconsin, Madison, WI (United States). Polymer Engineering Center
- AREVO, Inc., Santa Clara, CA (United States)
- Publication Date:
- Research Org.:
- Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Org.:
- USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- OSTI Identifier:
- 1471198
- Alternate Identifier(s):
- OSTI ID: 1694298
- Grant/Contract Number:
- AR0000573
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Additive Manufacturing
- Additional Journal Information:
- Journal Volume: 23; Journal ID: ISSN 2214-8604
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 36 MATERIALS SCIENCE; fused filament fabrication; glass spheres; polymer composite; polycarbonate; nozzle clogging; clogging model for spheres; viscosity model for printability
Citation Formats
Beran, Tobias, Mulholland, Tom, Henning, Frank, Rudolph, Natalie, and Osswald, Tim A. Nozzle clogging factors during fused filament fabrication of spherical particle filled polymers. United States: N. p., 2018.
Web. doi:10.1016/j.addma.2018.08.009.
Beran, Tobias, Mulholland, Tom, Henning, Frank, Rudolph, Natalie, & Osswald, Tim A. Nozzle clogging factors during fused filament fabrication of spherical particle filled polymers. United States. https://doi.org/10.1016/j.addma.2018.08.009
Beran, Tobias, Mulholland, Tom, Henning, Frank, Rudolph, Natalie, and Osswald, Tim A. Tue .
"Nozzle clogging factors during fused filament fabrication of spherical particle filled polymers". United States. https://doi.org/10.1016/j.addma.2018.08.009. https://www.osti.gov/servlets/purl/1471198.
@article{osti_1471198,
title = {Nozzle clogging factors during fused filament fabrication of spherical particle filled polymers},
author = {Beran, Tobias and Mulholland, Tom and Henning, Frank and Rudolph, Natalie and Osswald, Tim A.},
abstractNote = {Fused filament fabrication with reinforced or filled polymers provides improved material properties compared to ordinary feedstock. A current limitation of these materials is the occurrence of nozzle clogging at higher filler contents. In this paper, an experiment is designed to identify the factors causing nozzle clogging. Glass sphere-filled polycarbonate is investigated by varying nozzle and filler diameters, the resin viscosity, the filler content, and the extrusion pressure. Equations identifying nozzle clogging and intermittent clogging conditions are provided. Based on these results, a model for the clogging of sphere-filled polymers is proposed. Last, a mathematical model is derived, which approximates the printability of filled polymers without the preparation of composites. Finally, this model is based on the nozzle geometry, the filler type and content, the resin viscosity, and the printer’s maximum extrusion force.},
doi = {10.1016/j.addma.2018.08.009},
journal = {Additive Manufacturing},
number = ,
volume = 23,
place = {United States},
year = {Tue Aug 07 00:00:00 EDT 2018},
month = {Tue Aug 07 00:00:00 EDT 2018}
}
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