Low-Cost Method for Effective Conductivity Improvement of Additively Manufactured All-Metal Waveguide Components - Publication - Bridge of Knowledge

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Low-Cost Method for Effective Conductivity Improvement of Additively Manufactured All-Metal Waveguide Components

Abstract

— In this paper, a low-cost method of 3D printed allmetal waveguide effective conductivity improvement is proposed and studied. The approach is a combination of internal surface polishing to reduce the roughness followed by coating a highconductivity layer through electroplating. Both methods allow to reduce total power losses within the waveguide which are impacted by the conductivity of the metal. A set of mm-wave test vehicles was developed in WR-28 geometry (26.5 GHz to 40 GHz) being a straight and twisted transmission line section along with a narrowband filter to experimentally validate the approach. The models were 3D printed using Powder Bed Fusion out of stainless-steel powder, dry polished using glass microbeads, and then coated with copper. Up to 40% power loss reduction was obtained with respect to raw prints proving the performance of the approach.

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Accepted or Published Version
DOI:
Digital Object Identifier (open in new tab) 10.23919/EuMC61614.2024.10732087
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Copyright (2024 EuMA)

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Details

Category:
Conference activity
Type:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Language:
English
Publication year:
2024
Bibliographic description:
Sorocki J., Piekarz I., Baranowski M., Lamęcki A., Cattenone A., Marconi S., Alaimo G., Delmonte N., Silvestri L., Bozzi M.: Low-Cost Method for Effective Conductivity Improvement of Additively Manufactured All-Metal Waveguide Components// / : , 2024,
DOI:
Digital Object Identifier (open in new tab) 10.23919/eumc61614.2024.10732087
Sources of funding:
Verified by:
Gdańsk University of Technology

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