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Processing of high-performance materials by electron beam-powder bed fusion
a Multi-Scale Additive Manufacturing Lab, Department of Mechanical and Mechatronics Engineering, University of Waterloo (CAN).ORCID iD: 0000-0001-6610-1486
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (KAMPT)
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (KAMPT)ORCID iD: 0000-0003-3772-4371
2023 (English)In: Additive Manufacturing of High-Performance Metallic Materials / [ed] Pederson, Robert,Andersson, Joel & Joshi, Shrikant V., Elsevier, 2023, 1., p. 103-181Chapter in book (Refereed)
Abstract [en]

Electron beam-powder bed fusion (EB-PBF) is a process that uses a highly intense electron beam to melt metallic powders to create parts. In comparison to a conventional process, EB-PBF is more efficient at producing customized and specific parts in industries such as aerospace, space, and medical. Additionally, the EB-PBF process is used to manufacture highly complex parts for which other technologies would be prohibitively expensive or difficult to apply; increased geometric complexity does not necessarily imply increased cost. However, because the interaction of the electron beam with the powder and substrate material is complex, a high level of knowledge is required to master the skill of producing structurally sound components. This chapter discusses crucial features of the process parametermicrostructure-defect relationship that must be taken into Electron beam-powder bed fusion (EB-PBF) is a process that uses a highly intense electron beam to melt metallic powders to create parts. In comparison to a conventional process, EB-PBF is more efficient at producing customized and specific parts in industries such as aerospace, space, and medical. Additionally, the EB-PBF process is used to manufacture highly complex parts for which other technologies would be prohibitively expensive or difficult to apply; increased geometric complexity does not necessarily imply increased cost. However, because the interaction of the electron beam with the powder and substrate material is complex, a high level of knowledge is required to master the skill of producing structurally sound components. This chapter discusses crucial features of the process parametermicrostructure-defect relationship that must be taken into account in order to generate sufficiently sound builds of highperformance materials employing EB-PBF.

Place, publisher, year, edition, pages
Elsevier, 2023, 1.. p. 103-181
Keywords [en]
Electron beam-Powder bed fusion; Process parameters; Microstructure; Defects
National Category
Manufacturing, Surface and Joining Technology
Research subject
Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-21067ISBN: 9780323918855 (print)ISBN: 9780323913829 (electronic)OAI: oai:DiVA.org:hv-21067DiVA, id: diva2:1819479
Available from: 2023-12-14 Created: 2023-12-14 Last updated: 2024-01-11Bibliographically approved

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Thalavai Pandian, KarthikeyanNeikter, Magnus

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