Compounding Composites from Raw Materials with Extrusion Directly on 3D Printer

DS 116: Proceedings of the DESIGN2022 17th International Design Conference

Year: 2022
Editor: Mario Štorga, Stanko Škec, Tomislav Martinec, Dorian Marjanović
Author: Oscar Rundbäck Martinsson, Axel Nordin, Jože Tavčar
Series: DESIGN
Institution: Lund University, Sweden
Section: Design for Additive Manufacturing
Page(s): 1431-1440
DOI number:
ISSN: 2732-527X (Online)


The materials most commonly used in 3D-printers are in a filament form. This is a barrier for users who want to have new types of filaments with different material compositions. A 3D-printer which can extrude and print directly from the raw material was assembled. Compounding with the common additive types; fibres, and metal powders was performed. The size and volumetric output of an extruder was scaling down. Verification was done by mechanical testing, and electron microscopy. The positive result is opening the path to a more accessible composites for both researchers and home producers.

Keywords: extrusion, compounding, 3D printing, additive manufacturing, product design

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