Preliminary investigation on plasma electrolytic polishing of microfluidic platform produced by selective laser melting

Sabotin, Izidor (author), Jerman, Marko (author), Lebar, Andrej (author), Valentinčič, Joško (author), Böttger, Toni (author), Kühnel, Lisa (author), Zeidler, Henning (author)

The inherent issue of additively manufactured metallic parts is in their high surface roughness which hinders technology’s applicability for microproduct production. Usually, post-processing is required. Plasma electrolytic Polishing (PeP) is a promising technology which could tackle aforementioned challenges. In this paper, an experimental investigation on improving the quality of metallic microfluidic platforms, printed with selective laser melting (SLM), by applying PeP post-treatment is presented. The results show that overall surface roughness was significantly reduced. Furthermore, the artefacts of SLM technology caused by partial melting and agglomeration of powder at the outside of the melt pool were consistently removed. However, despite the quality improvement due PeP further enhancements of the process chain are necessary to render these microfluidic platforms functional.

• Language: English
• Keywords: selective laser melting, plasma electrolytic polishing, process chain, microfluidics, additive technology
• Work type: Article
• Typology: 1.08 - Published Scientific Conference Contribution
• Organization: FS - Faculty of Mechanical Engineering
• Publication status: Published
• Publication version: Author Accepted Manuscript
• Year: 2021
• Number of pages: 4 str.
• PID: 20.500.12556/RUL-143284
• UDC: 621.9:533
• COBISS.SI-ID: 93401091
• Publication date in RUL: 12.12.2022

Record is a part of a monograph

• Title: World Congress on Micro & Nano Manufacturing 2021 : conference proceedings
• Place of publishing: [Mumbai
• Publisher: s. n.
• Year: 2021
• COBISS.SI-ID: 93397507

Secondary language

• Language: Slovenian
• Keywords: selektivno lasersko pretaljevanje, plazemsko elektrolitsko poliranje, izdelovalna veriga, mikrofluidika, aditivne tehnologije

Projects

• Funder: ARRS - Slovenian Research Agency
• Project number: P2-0248
• Name: Inovativni izdelovalni sistemi in procesi

• Funder: EC - European Commission
• Funding programme: H2020
• Project number: 811040
• Name: Chair Of Micro Process Engineering and TEchnology
• Acronym: COMPETE