Post-printing characterisation and design for additive manufacturing considerations for conductive tracks 3D-printed by material extrusion Online publication date: Tue, 04-Jan-2022
by Marko Chorbikj; Marco Cavallaro
International Journal of Rapid Manufacturing (IJRAPIDM), Vol. 10, No. 1, 2021
Abstract: The goal of the study is to analyse the post-printing characteristics of conductive tracks 3D-printed using material extrusion (ME) process with varying slicing strategies. Conductive track samples with constant width and varying heights between 0.4 mm and 0.8 mm were prepared using two different commercial conductive materials in a single, double and triple layer strategy. Post-printing functional analysis was done by measuring the resistance of samples at different lengths and comparing it to their corresponding counterparts fabricated with different slicing. Post-printing physical characterisation on selected samples was done by measuring the surface area of their cross sections using microscope images and their mass. The conclusions of the study were then transferred in a proposed set of design for additive manufacturing (DfAM) considerations that can be taken into account in the design and process planning phase when manufacturing conductive tracks or objects with such features using ME.
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