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Additive manufacturing of ITER first wall panel parts by two approaches: Selective laser melting and electron beam melting
Stockholm University.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Technology and Management, Mechanical Engineering and Mathematics.ORCID iD: 0000-0001-5954-5898
Fusion for Energy, Barcelona, Spain.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Quality Technology and Management, Mechanical Engineering and Mathematics.
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2017 (English)In: Fusion engineering and design, ISSN 0920-3796, E-ISSN 1873-7196, Vol. 116, 24-33 p.Article in journal (Refereed) Published
Abstract [en]

Fabrication of ITER First Wall (FW) Panel parts by two additive manufacturing (AM) technologies, selective laser melting (SLM) and electron beam melting (EBM), was supported by Fusion for Energy (F4E). For the first time, AM is applied to manufacture ITER In-Vessel parts with complex design. Fully dense SS316L was prepared by both SLM and EBM after developing optimized laser/electron beam parameters. Characterizations on the density, magnetic permeability, microstructure, defects and inclusions were carried out. Tensile properties, Charpy-impact properties and fatigue properties of SLM and EBM SS316L were also compared. ITER FW Panel parts were successfully fabricated by both SLM and EBM in a one-step building process. The SLM part has smoother surface, better size accuracy while the EBM part takes much less time to build. Issues with removing support structures might be solved by slightly changing the design of the internal cooling system. Further investigation of the influence of neutron irradiation on materials properties between the two AM technologies is needed.

Place, publisher, year, edition, pages
2017. Vol. 116, 24-33 p.
Keyword [en]
316L stainless steel, Additive manufacturing, Electron beam melting, First wall, ITER, Selective laser melting
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:miun:diva-30339DOI: 10.1016/j.fusengdes.2017.01.032ScopusID: 2-s2.0-85012277389OAI: oai:DiVA.org:miun-30339DiVA: diva2:1077288
Available from: 2017-02-27 Created: 2017-02-27 Last updated: 2017-02-27Bibliographically approved

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Rännar, Lars-ErikKoptyug, Andrey
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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • Other locale
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