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Solution approaches and process concepts for powder bed-based melting of glass

  • In the study, the process chain of additive manufacturing by means of powder bed fusion will be presented based on the material glass. In order to reliably process components additively, new concepts with different solutions were developed and investigated. Compared to established metallic materials, the properties of glass materials differ significantly. Therefore, the process control was adapted to the material glass in the investigations. With extensive parameter studies based on various glass powders such as borosilicate glass and quartz glass, scientifically proven results on powder bed fusion of glass are presented. Based on the determination of the particle properties with different methods, extensive investigations are made regarding the melting behavior of glass by means of laser beams. Furthermore, the experimental setup was steadily expanded. In addition to the integration of coaxial temperature measurement and regulation, preheating of the building platform is of major importance. This offers the possibility to perform 3D printing at the transformation temperatures of the glass materials. To improve the component’s properties, the influence of a subsequent heat treatment was also investigated. The experience gained was incorporated into a new experimental system, which allows a much better exploration of the 3D printing of glass. Currently, studies are being conducted to improve surface texture, building accuracy, and geometrical capabilities using three-dimensional specimen. The contribution shows the development of research in the field of 3D printing of glass, gives an insight into the machine and process engineering as well as an outlook on the possibilities and applications.

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Metadaten
Author:Susanne Kasch, Thomas Schmidt, Fabian EichlerORCiD, Laura Thurn, Simon Jahn, Sebastian Bremen
DOI:https://doi.org/10.1007/978-3-030-54334-1_7
ISBN:978-3-030-54333-4 (Print)
ISBN:978-3-030-54334-1 (Online)
Parent Title (English):Industrializing Additive Manufacturing. Proceedings of AMPA2020
Publisher:Springer
Place of publication:Cham
Document Type:Conference Proceeding
Language:English
Year of Completion:2020
Date of the Publication (Server):2021/07/05
Tag:Additive manufacturing; Glass powder; L-PBF; Laser processing; Melting
First Page:82
Last Page:95
Note:
International Conference on Additive Manufacturing in Products and Applications. 01.-03. September 2020. Zurich, Switzerland
Link:https://doi.org/10.1007/978-3-030-54334-1_7
Zugriffsart:weltweit
Institutes:FH Aachen / Fachbereich Maschinenbau und Mechatronik
collections:Verlag / Springer