Preprint Article Version 1 This version is not peer-reviewed

Fatigue Performance of ABS Specimens Obtained by Fused Filament Fabrication

Version 1 : Received: 7 November 2018 / Approved: 8 November 2018 / Online: 8 November 2018 (15:19:44 UTC)

How to cite: Domingo-Espin, M.; Travieso-Rodriguez, J.A.; Jerez-Mesa, R.; Lluma-Fuentes, J. Fatigue Performance of ABS Specimens Obtained by Fused Filament Fabrication. Preprints 2018, 2018110225 (doi: 10.20944/preprints201811.0225.v1). Domingo-Espin, M.; Travieso-Rodriguez, J.A.; Jerez-Mesa, R.; Lluma-Fuentes, J. Fatigue Performance of ABS Specimens Obtained by Fused Filament Fabrication. Preprints 2018, 2018110225 (doi: 10.20944/preprints201811.0225.v1).

Abstract

In this paper, the fatigue response of Fused Filament Fabrication (FFF) Acrylonitrile butadiene styrene (ABS) parts is studied. Different building parameters (layer height, nozzle diameter, infill density, and printing speed) were chosen to study their influence on the lifespan of cylindrical specimens according to a design of experiments (DOE) using the Taguchi methodology. The same DOE was applied on two different specimen sets using two different infill patterns: rectilinear and honeycomb. The results show that infill density is the most important parameter for both studied patterns. The specimens manufactured with the honeycomb pattern show longer lifespans. The best parameter set associated to that infill was chosen for a second experimental phase, in which the specimens were tested under different maximum bending stresses to construct the Wöhler curve associated to this 3D printing configuration. The results of this study are useful to design and manufacture ABS end-use parts that are expected to work under oscillating periodic loads.

Subject Areas

parts design, additive manufacturing, fused filament fabrication, fatigue, taguchi, ABS

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