Design and evaluation of liquid channel cross sections fabricated via metal fused filament fabrication

Design and evaluation of liquid channel cross sections fabricated via metal fused filament fabrication

BACIKOGLU Mehmet Canberk, YAMAN Ulas

Abstract. Metal Fused Filament Fabrication is an Additive Manufacturing method of manufacturing metal parts by using filaments composed of metal powders encased in plastic binders. It is advantageous for manufacturing parts with complex geometries using a wide range of materials, including stainless steel, copper, tool steel, nickel alloys, and titanium. When support structures are not required, complex parts with interior cavities can be produced using this method. In this study, interior channel cross sections for cold plates, the main elements in cooling high-power electronic units, are designed and fabricated without the use of support structures. Specimens are made of 17-4 PH stainless steel and copper using the method with two different systems. Straight and angled interior channels are fabricated separately to investigate the characteristics of supportless manufacturing and observe the sagging or warping effects on the liquid channel faces. Surface roughness and Coordinate Measuring Machine measurements are performed for parts to check if the quality requirements are fulfilled in terms of shrinkage and assembly. Density is determined for parts using the Archimedes method and compared with the porosity results obtained from Scanning Electron Microscope.

Keywords
Metal Fused Filament Fabrication, Interior Liquid Channel, Supportless Manufacturing, Material Characterization, Quality Control

Published online 4/19/2023, 10 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: BACIKOGLU Mehmet Canberk, YAMAN Ulas, Design and evaluation of liquid channel cross sections fabricated via metal fused filament fabrication, Materials Research Proceedings, Vol. 28, pp 3-12, 2023

DOI: https://doi.org/10.21741/9781644902479-1

The article was published as article 1 of the book Material Forming

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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