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Open AccessArticle

3D Printing of ABS Barium Ferrite Composites

1
Institute for Applied Materials, Karlsruhe Institute of Technology, D-76344 Eggenstein-Leopoldshafen, Germany
2
Department of Microsystems Engineering, University Freiburg, D-79110 Freiburg, Germany
*
Author to whom correspondence should be addressed.
Materials 2020, 13(6), 1481; https://doi.org/10.3390/ma13061481
Received: 21 February 2020 / Revised: 17 March 2020 / Accepted: 20 March 2020 / Published: 24 March 2020
(This article belongs to the Section Manufacturing Processes and Systems)
In this work, a process for the realization of new polymer matrix composites with nanosized barium ferrite (BaFe12O19) as ferrimagnetic filler, acryl butadiene styrene (ABS) as polymer matrix and an extrusion-based method, namely fused filament fabrication (FFF), as 3D printing method will be described comprehensively. The whole process consists of the individual steps material compounding, rheological testing, filament extrusion, 3D-printing via FFF and finally a widespread specimen characterization regarding to appearance, mechanical properties like tensile and bending behavior as well as the aspired magnetic properties. Increasing ferrite amounts up to 40 vol.% (equal 76 wt.%) cause a reduction of the ultimate stress and an increase of the magnetic polarization as well as of the energy product (BH)max in comparison to the pure polymer matrix. In addition, an extensive discussion of typical printing defects and their consequences on the device properties will be undertaken. View Full-Text
Keywords: 3D printing; fused filament fabrication (FFF); magnetic composites; additive manufacturing of polymer matrix-ceramic-composites 3D printing; fused filament fabrication (FFF); magnetic composites; additive manufacturing of polymer matrix-ceramic-composites
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Hanemann, T.; Syperek, D.; Nötzel, D. 3D Printing of ABS Barium Ferrite Composites. Materials 2020, 13, 1481.

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