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Title: Application of Electron Beam Melting (EBM) in Additive Manufacturing of an Impeller
Authors: Tan, Xipeng
Kok, Yihong
Tor, Shu Beng
Chua, Chee Kai
Keywords: Additive manufacturing
Electron beam melting
Issue Date: 2014
Source: Tan, X., Kok, Y., Tor, S. B., & Chua, C. K. (2014). Application of Electron Beam Melting (EBM) in Additive Manufacturing of an Impeller. Proceedings of the 1st International Conference on Progress in Additive Manufacturing (Pro-AM 2014), 327-332.
Abstract: An industrial impeller has been successfully fabricated by using Ti-6Al-4V ELI powder via a newly installed Arcam A2XX electron beam melting (EBM) machine. EBM was found to be preferable to build the circular or complex-shaped parts with thin walls. Several problems that frequently take place during the EBM fabrication are proposed based on the practical experience. It is found that metallization peeling-off, warpage, “swelling” and arc trips are the main reasons resulting in the failures of building jobs. It is suggested to pay close attention to the following aspects: a thorough cleanliness of the entire EBM system before start, a reasonable placement of builds on the start plate, an optimized design on geometries, etc., for a successfully built part.
DOI: 10.3850/978-981-09-0446-3_076
Rights: © 2014 by Research Publishing Services.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:Pro-AM Conference Papers

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