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Texture of electron beam melted Ti-6Al-4V measured with neutron diffraction
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-3772-4371
European Spallation Source ERIC (Sweden). Nuclear Physics Institute of the CAZ (Czech Republic).
European Spallation Source ERIC (Sweden).
General Electric Additive Manufacturing (Sweden).
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2020 (English)In: / [ed] P. Villechaise, B. Appolaire, P. Castany, M. Dehmas, C. Delaunay, J. Delfosse, A. Denquin, E. Gautier, L. Germain, N. Gey, T. Gloriant, J.-Y. Hascoët, S. Hémery, Y. Millet, D. Monceau, F. Pettinari-Sturmel, M. Piellard, F. Prima and B. Viguier, EDP Sciences, 2020, article id 03021Conference paper, Published paper (Refereed)
Abstract [en]

Texture in materials is important as it contributes to anisotropy in the bulk mechanical properties. Ti-6Al-4V built with the additive manufacturing process (AM) electron beam melting (EBM) has been found to have anisotropic mechanical properties. Therefore, this work has been performed to investigate the texture variations of EBM built Ti-6Al-4V with neutron time of flight (TOF). For the work, samples were produced with different build geometries off-set by 90 degrees. A cast sample was additionally analyzed to investigate the bulk texture of conventionally manufactured material. Microstructural characterization was performed and the cast material was found to have a coarse colony α microstructure, whereas the EBM built material had a finer basket weave microstructure. Overall, the texture of the EBM built material was found to be weak having an multiple of random distribution (MRD) index of ~1 for the α phase, whilst the cast material possessed more than twice the amount of preferred orientation i.e. MRD 2.51 for the α phase.

Place, publisher, year, edition, pages
EDP Sciences, 2020. article id 03021
Series
MATEC Web of Conferences, E-ISSN 2261-236X
Keywords [en]
Neutron time-of-flight diffraction, texture, Ti-6Al-4V, electron beam melting, cast
National Category
Other Materials Engineering
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-82374DOI: 10.1051/matecconf/202032103021OAI: oai:DiVA.org:ltu-82374DiVA, id: diva2:1517522
Conference
14th World Conference on Titanium (Ti 2019), 10-14 June, 2019, Nantes, France
Funder
Swedish National Space BoardEU, European Research CouncilLuleå University of TechnologyWallenberg Foundations
Note

Finansiär: OP RDE.MEYS (CZ.02.1.01/0.0/0.0/16013/0001794)

Available from: 2021-01-14 Created: 2021-01-14 Last updated: 2023-09-05Bibliographically approved

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Neikter, MagnusAntti, Marta-LenaÅkerfeldt, Pia

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