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Feasibility of electron beam melting metal coated ceramic powders
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Mathematics, and Science Education (2023-). (STRC)ORCID iD: 0000-0003-3218-875X
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Mathematics, and Science Education (2023-). (STRC)
2023 (English)Conference paper, Poster (with or without abstract) (Refereed)
Sustainable development
Hållbar utveckling
Abstract [en]

Electron beam powder bed fusion (E-PBF) is a known metal additive manufacturing (AM) technology. Processing non-conducting powders such as ceramics has so far been considered as non-feasible because of the inherent issues related to powder charging. This study investigates the feasibility to process and melt ceramic powders by innovative beam strategies as well as powder modification by metal coating. The proposed approach allowed melting and fusing of ceramic particles by the action of the electron beam. New challenges with powder bed balling and thermal incompatibility towards the 304 stainless start plate were identified. The results suggest that processing ceramics using metal coated powders can be feasible. Further research should address process parameters development and the use of a more compatible surface such as a ceramic start plate

Place, publisher, year, edition, pages
Stockholm, 2023.
Keywords [en]
Additive manufacturing, Al2O3, high temperature materials
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:miun:diva-46817OAI: oai:DiVA.org:miun-46817DiVA, id: diva2:1726590
Conference
The Swedish Arena for Additive Manufacturing of Metals 2023
Available from: 2023-01-13 Created: 2023-01-13 Last updated: 2023-02-20Bibliographically approved

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Sjöström, WilliamBotero Vega, Carlos Alberto

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  • asciidoc
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