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PRODUCTION OF CONTINUOUS FIBER-REINFORCED 3D-PRINTING FILAMENTS USING ULTRASOUND

Titze, Maik and Kühnast, Fabian and Rege, Matteo and Riemenschneider, Johannes (2021) PRODUCTION OF CONTINUOUS FIBER-REINFORCED 3D-PRINTING FILAMENTS USING ULTRASOUND. In: SAMPE EUROPE Conference and Exhibition 2021. SAMPE EUROPE. SAMPE EUROPE Conference and Exhibition 2021, 28-30 Septermber 2021, Baden, Switzerland. ISBN 978-90-829101-3-1.

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Abstract

A new technique for direct impregnation of fiber roving with high viscous thermoplastic melt in an extrusion process is presented. The technology is based on the introduction of ultrasound in the melt enclosing a fiber roving. An impregnation nozzle is designed and implemented in a laboratory manufacturing line for production of continuous fiber-reinforced 3D-printing filaments. First assessment of resulting filament quality cover polylactide, polyamide or polyetherimide reinforced with 12K to 24K carbon fiber and a fiber volume content of 50%. Microscope image analysis and tensile testing is used to identify influence of ultrasound treatment on fiber impregnation. The results show great potential of this new technology for good impregnation and improved fiber distribution.

Item URL in elib:https://elib.dlr.de/145386/
Document Type:Conference or Workshop Item (Speech)
Title:PRODUCTION OF CONTINUOUS FIBER-REINFORCED 3D-PRINTING FILAMENTS USING ULTRASOUND
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Titze, MaikMaik.Titze (at) dlr.deUNSPECIFIED
Kühnast, FabianFabian.Kuehnast (at) dlr.deUNSPECIFIED
Rege, MatteoMatteo.Rege (at) dlr.deUNSPECIFIED
Riemenschneider, JohannesJohannes.Riemenschneider (at) dlr.dehttps://orcid.org/0000-0001-5485-8326
Date:September 2021
Journal or Publication Title:SAMPE EUROPE Conference and Exhibition 2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Publisher:SAMPE EUROPE
ISBN:978-90-829101-3-1
Status:Published
Keywords:Additive Manufacturing, Composites, Ultrasound, 3D-Printing
Event Title:SAMPE EUROPE Conference and Exhibition 2021
Event Location:Baden, Switzerland
Event Type:international Conference
Event Dates:28-30 Septermber 2021
Organizer:SAMPE EUROPE
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Production Technologies
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Adaptronics
Institute of Composite Structures and Adaptive Systems
Deposited By: Titze, Maik
Deposited On:15 Nov 2021 22:06
Last Modified:15 Nov 2021 22:06

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