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Exploring high-stiffness pellets as filaments in fused filament fabrication

Published online by Cambridge University Press:  16 May 2024

Martin Lilletvedt Rasmussen ,
Simen Gjethammer Grønvik ,
Henrik H. Øvrebø ,
Ben Hicks ,
Chris Snider ,
Martin Steinert ,
Christer W. Elverum  and
Sindre Wold Eikevåg
Martin Lilletvedt Rasmussen
Affiliation:
Norwegian University of Science and Technology, Norway
Simen Gjethammer Grønvik
Affiliation:
Norwegian University of Science and Technology, Norway
Henrik H. Øvrebø
Affiliation:
Norwegian University of Science and Technology, Norway
Ben Hicks
Affiliation:
University of Bristol, United Kingdom
Chris Snider
Affiliation:
University of Bristol, United Kingdom
Martin Steinert
Affiliation:
Norwegian University of Science and Technology, Norway
Christer W. Elverum
Affiliation:
Norwegian University of Science and Technology, Norway
Sindre Wold Eikevåg*
Affiliation:
Norwegian University of Science and Technology, Norway University of Bristol, United Kingdom
*
sindre.w.eikevag@ntnu.no

Abstract

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In Fused Filament Fabrication, there is increasing interest in the potential of composite filaments for producing complex and load-bearing components. Carbon fibre-filled polyamide currently has highest available strength and stiffness, but promising variants are not in filament form. This paper investigates filament production of commercially available, high-filled PA-CF pellets by modifying a tabletop filament extruder. We show filament production is possible by improving cooling. The FFF printed specimens show an average UTS of 135.5 MPa, higher than most commercially available filaments.

Keywords

additive manufacturingproduction designhigh-performance polymers3D printing
Type
Design for Additive Manufacturing
Information
Proceedings of the Design Society , Volume 4: DESIGN 2024 , May 2024 , pp. 1799 - 1808
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
The Author(s), 2024.

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