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Microstructure characterisation of Ti-6Al-4V from different additive manufacturing processes
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Division of Welding Technology, University West, Trollhättan .
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-3661-9262
2017 (English)In: IOP Conference Series: Materials Science and Engineering, ISSN 1757-8981, E-ISSN 1757-899X, Vol. 258, 012007Article in journal (Refereed) Published
Abstract [en]

The focus of this work has been microstructure characterisation of Ti-6Al-4V manufactured by five different additive manufacturing (AM) processes. The microstructure features being characterised are the prior β size, grain boundary α and α lath thickness. It was found that material manufactured with powder bed fusion processes has smaller prior β grains than the material from directed energy deposition processes. The AM processes with fast cooling rate render in thinner α laths and also thinner, and in some cases discontinuous, grain boundary α. Furthermore, it has been observed that material manufactured with the directed energy deposition processes has parallel bands, except for one condition when the parameters were changed, while the powder bed fusion processes do not have any parallel bands.

Place, publisher, year, edition, pages
Institute of Physics (IOP), 2017. Vol. 258, 012007
National Category
Other Materials Engineering
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-66341DOI: 10.1088/1757-899X/258/1/012007Scopus ID: 2-s2.0-85035102621OAI: oai:DiVA.org:ltu-66341DiVA: diva2:1153966
Conference
International Materials Research Meeting in the Greater Region: "Current Trends in the Characterisation of Materials and Surface Modification", Saarland University, Saarbrücken, Germany, 6–7 April 2017
Note

Konferensartikel i tidskrift

Available from: 2017-11-01 Created: 2017-11-01 Last updated: 2017-12-14Bibliographically approved

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CiteExportLink to record
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  • apa
  • harvard1
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  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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