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Operating limits for beam melting of glass materials

  • Laser-based Additive Manufacturing (AM) processes for the use of metals out of the powder bed have been investigated profusely and are prevalent in industry. Although there is a broad field of application, Laser Powder Bed Fusion (LPBF), also known as Selective Laser Melting (SLM) of glass is not fully developed yet. The material properties of glass are significantly different from the investigated metallic material for LPBF so far. As such, the process cannot be transferred, and the parameter limits and the process sequence must be redefined for glass. Starting with the characterization of glass powders, a parameter field is initially confined to investigate the process parameter of different glass powder using LPBFprocess. A feasibility study is carried out to process borosilicate glass powder. The effects of process parameters on the dimensional accuracy of fabricated parts out of borosilicate and hints for the post-processing are analysed and presented in this paper.

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Metadaten
Author:Fabian EichlerORCiD, Marco SkupinORCiD, Laura Thurn, Susanne Kasch, Thomas Schmidt
DOI:https://doi.org/10.1051/matecconf/201929901004
Parent Title (English):Modern Technologies in Manufacturing (MTeM 2019)
Document Type:Conference Proceeding
Language:English
Year of Completion:2019
Date of the Publication (Server):2019/12/09
Volume:299
Issue:Article 01004
Length:8 Seiten
Note:
MATEC Web of Conferences 299; MTeM 2019
Link:https://doi.org/10.1051/matecconf/201929901004
Zugriffsart:weltweit
Institutes:FH Aachen / Fachbereich Maschinenbau und Mechatronik
collections:Open Access / Gold
Licence (German):License LogoCreative Commons - Namensnennung