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Vol. 47 No. 1 (2022)
Original articles

Effects of plasma electrolytic polishing on SLM printed microfluidic platform

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  • Izidor Sabotin,
  • Marko Jerman,
  • Andrej Lebar,
  • Joško Valentinčič,
  • Toni Böttger,
  • Lisa Kühnel,
  • Henning Zeidler
Izidor Sabotin
University of Ljubljana, Faculty of Mechanical Engineering, Slovenia
Marko Jerman
University of Ljubljana, Faculty of Mechanical Engineering, Slovenia
Andrej Lebar
University of Ljubljana, Faculty of Mechanical Engineering, Slovenia
Joško Valentinčič
University of Ljubljana, Faculty of Mechanical Engineering, Slovenia
Toni Böttger
Technical University Bergakademie Freiberg, IMKF, Chair of Additive Manufacturing, Agricolastrasse 1, 09599 Freiberg, Germany
Lisa Kühnel
Technical University Bergakademie Freiberg, IMKF, Chair of Additive Manufacturing, Agricolastrasse 1, 09599 Freiberg, Germany
Henning Zeidler
Technical University Bergakademie Freiberg, IMKF, Chair of Additive Manufacturing, Agricolastrasse 1, 09599 Freiberg, Germany
DOI: https://doi.org/10.24867/ATM-2022-1-004

Published 2022-06-01

abstract views: 10 // Full text article (PDF): 10


Keywords

  • Selective laser melting,
  • Plasma electrolytic polishing,
  • Microfluidics,
  • Additive manufacturing

How to Cite

Sabotin, I., Jerman, M., Lebar, A., Valentinčič, J., Böttger, T., Kühnel, L., & Zeidler, H. (2022). Effects of plasma electrolytic polishing on SLM printed microfluidic platform. Advanced Technologies and Materials, 47(1), 19–23. https://doi.org/10.24867/ATM-2022-1-004
Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Additive manufacturing (AM) of metallic parts is gaining momentum in production industries. In view of producing a metal microproduct using AM the issue of high surface roughness is prominent. Plasma electrolytic Polishing (PeP) is a post processing technology that greatly reduces surface roughness of metallic parts. In this paper the effects of PeP of microfluidic platform, printed with selective laser melting (SLM) technology, is presented. The results show that surface roughness of the specimens was severely reduced. Also, some geometrical defects inherent to SLM technology were partly removed. It is shown, that for smaller geometrical microfeatures (sizes of less than 0.5 mm) the effectiveness of PeP is reduced. Through this investigation it can be concluded that PeP is a promising post-processing technology for SLM printed microparts since it significantly improves the overall part quality. However, further improvements of the process chain need to be implemented in order to render the microfluidic platform functional.

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