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Electrostatic Multi-Material Powder Deposition for Simultaneous Laser Beam Melting

  • In this paper, the use of electrostatic polymer powder transfer methods for the preparation of multi-material layers is discussed with respect to the application in Simultaneous Laser Beam Melting (SLBM). Therefore, the basic principles of the single process steps as well as the challenges in combination with SLBM are considered verifying the critical process steps. On that base, process concepts are developed which might enable the fabrication of high quality multi-material parts in the future. Moreover, since the polymer powders typically used with Laser Beam Melting differ strongly from common toners for e. g. electrophotographic printing, an experimental setup was built to study the powder transfer with an electrically chargeable transfer plate using polyamide 12 powder. The results of this study show that transfer of powders usable for Laser Beam Melting can be achieved, but depends on the electric field strength which is a function of the gap between transfer and substrate plate and the intermediate electric potential.

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Metadaten
Author:Thomas Stichel, Philipp AmendGND, Tobias LaumerORCiDGND, Stephan Roth
URL / DOI:https://www.researchgate.net/publication/280154608_Electrostatic_Multi-Material_Powder_Deposition_for_Simultaneous_Laser_Beam_Melting
Parent Title (English):International Conference on Information, Communication and Automation Technologies (ICAT), 2014, Wien
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2014
Release Date:2022/11/25
Institutes:Fakultät Maschinenbau
Fakultät Maschinenbau / Labor Additive and Intelligent Manufacturing for Sustainability (AIMS)
Publication:Externe Publikationen
research focus:Produktion und Systeme
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG