Effect of Ultrasonic Vibration on Interlayer Adhesion in Fused Filament Fabrication 3D Printed ABS

Tofangchi, Alireza; Han, Pu; Izquierdo, Julio; Iyengar, Adithya; Hsu, Keng

doi:10.3390/polym11020315

Open AccessEditor’s ChoiceArticle

Effect of Ultrasonic Vibration on Interlayer Adhesion in Fused Filament Fabrication 3D Printed ABS

by

Alireza Tofangchi

,

Pu Han

,

Julio Izquierdo

,

Adithya Iyengar

and

Keng Hsu

^*

Department of Mechanical Engineering, University of Louisville, Louisville, KY 40292, USA

^*

Author to whom correspondence should be addressed.

Polymers 2019, 11(2), 315; https://doi.org/10.3390/polym11020315

Submission received: 9 January 2019 / Revised: 6 February 2019 / Accepted: 8 February 2019 / Published: 13 February 2019

(This article belongs to the Special Issue Materials and Methods for New Technologies in Polymer Processing)

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Abstract

One of the fundamental issues in the Fused Filament Fabrication (FFF) additive manufacturing process lies in the mechanical property anisotropy where the strength of the FFF-3D printed part in the build-direction can be significantly lower than that in other directions. The physical phenomenon that governs this issue is the coupled effect of macroscopic thermal mechanical issues associated with the thermal history of the interface, and the microscopic effect of the polymer microstructure and mass transfer across interfaces. In this study it was found that the use of 34.4 kHz ultrasonic vibrations during FFF-3D printing results in an increase of up to 10% in the interlayer adhesion in Acrylonitrile Butadiene Styrene (ABS), comparing the printing in identical thermal conditions to that in conventional FFF printing. This increase in the interlayer adhesion strength is attributed to the increase in polymer reptation due to ultrasonic vibration-induced relaxation of the polymer chains from secondary interactions in the interface regions.

Keywords: fused deposition modeling; Fused Filament Fabrication; ultrasonic vibrations; inter-layer strength; inter-layer adhesion

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MDPI and ACS Style

Tofangchi, A.; Han, P.; Izquierdo, J.; Iyengar, A.; Hsu, K. Effect of Ultrasonic Vibration on Interlayer Adhesion in Fused Filament Fabrication 3D Printed ABS. Polymers 2019, 11, 315. https://doi.org/10.3390/polym11020315

AMA Style

Tofangchi A, Han P, Izquierdo J, Iyengar A, Hsu K. Effect of Ultrasonic Vibration on Interlayer Adhesion in Fused Filament Fabrication 3D Printed ABS. Polymers. 2019; 11(2):315. https://doi.org/10.3390/polym11020315

Chicago/Turabian Style

Tofangchi, Alireza, Pu Han, Julio Izquierdo, Adithya Iyengar, and Keng Hsu. 2019. "Effect of Ultrasonic Vibration on Interlayer Adhesion in Fused Filament Fabrication 3D Printed ABS" Polymers 11, no. 2: 315. https://doi.org/10.3390/polym11020315

APA Style

Tofangchi, A., Han, P., Izquierdo, J., Iyengar, A., & Hsu, K. (2019). Effect of Ultrasonic Vibration on Interlayer Adhesion in Fused Filament Fabrication 3D Printed ABS. Polymers, 11(2), 315. https://doi.org/10.3390/polym11020315

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Effect of Ultrasonic Vibration on Interlayer Adhesion in Fused Filament Fabrication 3D Printed ABS

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