Heterophase materials for fused filament fabrication of structural electronics

Bartłomiej Podsiadły , Andrzej Skalski , Bartłomiej Wałpuski , Marcin Słoma

Abstract

In this work, new electrically conductive composite filaments are developed for the fabrication of conductive paths, 3D printed with FDM technology. These composite materials consist of electrically conductive copper powder and a polymer matrix. The influence of three different polymers (ABS, PLA, PS) on the electrical properties of the composites was examined. Electrical measurements of the composite filaments with the increasing copper powder concentrations, allow identifying the percolation threshold for elaborated composites. Results show that the lowest resistivity (0.156×10−5 Ωm) was achieved for the ABS/Cu composite at the 84.6 wt% Cu concentration. The obtained resistivity values are much lower than for other conductive composites and nanocomposites filaments reported in the literature. Voltage-current characteristics determined for each composite material showed that composites have Ohmic characteristics in low voltage regime. At high voltage regime, the electrical power dissipated in the composites caused a rapid increase in temperature. It was discovered that a polymer matrix influences the maximum value of the electrical power that can be dissipated in the filament before losing electrical conductivity. Examples of conductive 3D printed structures made from elaborated composites are also presented.
Author Bartłomiej Podsiadły (FM / IMBE)
Bartłomiej Podsiadły,,
- The Institute of Metrology and Biomedical Engineering
, Andrzej Skalski (FM / IMBE)
Andrzej Skalski,,
- The Institute of Metrology and Biomedical Engineering
, Bartłomiej Wałpuski (FM / IMBE)
Bartłomiej Wałpuski,,
- The Institute of Metrology and Biomedical Engineering
, Marcin Słoma (FM / IMBE)
Marcin Słoma,,
- The Institute of Metrology and Biomedical Engineering
Journal seriesJournal of Materials Science-Materials in Electronics, ISSN 0957-4522, (A 25 pkt)
Issue year2019
Vol30
No2
Pages1236-1245
Publication size in sheets0.5
ASJC Classification2208 Electrical and Electronic Engineering; 3104 Condensed Matter Physics; 3107 Atomic and Molecular Physics, and Optics; 2504 Electronic, Optical and Magnetic Materials
DOIDOI:10.1007/s10854-018-0391-4
URL https://link-1springer-1com-1000096ex08e5.eczyt.bg.pw.edu.pl/article/10.1007/s10854-018-0391-4
projectFirst TEAM/2016-1/7, Functional heterophase materials for structural electronics. Project leader: Słoma Marcin, , Phone: +48 22234-8306, start date 01-10-2016, planned end date 31-03-2020, PW 1205, Implemented
Languageen angielski
Score (nominal)25
ScoreMinisterial score = 25.0, 04-08-2019, ArticleFromJournal
Publication indicators Scopus Citations = 0; WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.798; WoS Impact Factor: 2017 = 2.324 (2) - 2017=1.992 (5)
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