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Modelling of anisotropic elastic properties in alloy 718 built by electron beam melting
Univ West, Sweden.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering. Univ West, Sweden.ORCID iD: 0000-0002-8304-0221
Univ West, Sweden.
2018 (English)In: Materials Science and Technology, ISSN 0267-0836, E-ISSN 1743-2847, Vol. 34, no 5, p. 529-537Article in journal (Refereed) Published
Abstract [en]

Owing to the inherent nature of the process, typically material produced via electron beam melting (EBM) has a columnar microstructure. As a result of that, the material will have anisotropic mechanical properties. In this work, anisotropic elastic properties of EBM built Alloy 718 samples at room temperature were investigated by using experiments and modelling work. Electron backscatter diffraction data from the sample microstructure was used to predict the Youngs modulus. The results showed that the model developed in the finite element software OOF2 was able to capture the anisotropy in the Youngs modulus. The samples showed transversely isotropic elastic properties having lowest Youngs modulus along build direction. In addition to that, complete transversely isotropic stiffness tensor of the sample was also calculated.

Place, publisher, year, edition, pages
TAYLOR & FRANCIS LTD , 2018. Vol. 34, no 5, p. 529-537
Keywords [en]
EBM; alloy 718; youngs modulus; anisotropy; modelling; EBSD; elastic constants
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-147446DOI: 10.1080/02670836.2018.1426258ISI: 000428303200005OAI: oai:DiVA.org:liu-147446DiVA, id: diva2:1206330
Note

Funding Agencies|European Regional Development Fund, project grant 3Dprint; KK Foundation (Stiftelsen for Kunskaps- och Kompetensutveckling), project grant SUMAN-Next

Available from: 2018-05-16 Created: 2018-05-16 Last updated: 2018-05-16

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf