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Hybrid additive manufacture : surface finishing methods for improving conductivity of inkjet printed tracks on non-planar substrates fabricated using fused deposition modeling
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Griffiths, Elliott R. and Leigh, Simon J. (2022) Hybrid additive manufacture : surface finishing methods for improving conductivity of inkjet printed tracks on non-planar substrates fabricated using fused deposition modeling. Sensors and Actuators A: Physical, 333 . 113235. doi:10.1016/j.sna.2021.113235 ISSN 0924-4247.
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WRAP-Hybrid-manufacture-improving-inkjet-planar-fabricated-fused-deposition-modelling-2022.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (504Kb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.sna.2021.113235
Abstract
This study investigates the impact of the surface quality of 3D printed non-planar surfaces on the conductivity of an inkjet-printed silver nano-particle ink, in the context of fused deposition modeling; a type of additive manufacture (3D pritnting). It was observed that the as-printed surface finish resulted in continuity breaks together with reduced and overall poor batch consistency of conductivity (SDbatch = 16.51 mS/mm). Therefore, to pave the way for high density, consistent and repeatable electronic tracks, the surface finish of as-printed 3D printed parts must be improved. To mitigate this, several finishing methods were investigated, CNC machining, non-planar nozzle ironing and the technique of burnishing with a custom-made heated tool. Of all the investigated finishing techniques, burnishing was identified as the most effective solution that ensured a high and consistent conductivity across the surface for subsequently printed nanoparticle tracks (SDbatch = 2.88 mS/mm). The combination of non-planar burnishing and non-planar printed electronics is key to unlocking the possibility of completely embedded 3D electronics and sensors in 3D printed objects and components.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TS Manufactures | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Three-dimensional printing, Three-dimensional printing -- Engineering design, Ink-jet printing -- Technology, Materials -- Technological innovations, Additive manufacturing | ||||||||
| Journal or Publication Title: | Sensors and Actuators A: Physical | ||||||||
| Publisher: | Elsevier Science BV | ||||||||
| ISSN: | 0924-4247 | ||||||||
| Official Date: | 1 January 2022 | ||||||||
| Dates: |
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| Volume: | 333 | ||||||||
| Article Number: | 113235 | ||||||||
| DOI: | 10.1016/j.sna.2021.113235 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Date of first compliant deposit: | 1 March 2022 | ||||||||
| Date of first compliant Open Access: | 24 November 2022 | ||||||||
| RIOXX Funder/Project Grant: |
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